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12 Letter Words Starting with A

We found 752 words for 12 letter words starting with a.

The everyday ones come first. Tap any word to see what it means and what it scores.

Common 12 letter words starting with A

All 12 letter words starting with A 752

  • APPLICATIONS18
  • ARCHITECTURE19
  • ANNOUNCEMENT16
  • AGRICULTURAL15
  • ACCOMPLISHED24
  • ACCIDENTALLY20
  • ADDITIONALLY17
  • ARRANGEMENTS15
  • ACKNOWLEDGED24
  • ACHIEVEMENTS22
  • AVAILABILITY20
  • APPRECIATION18
  • APPOINTMENTS18
  • ADMINISTERED16
  • ALTERNATIVES15
  • ASSOCIATIONS14
  • ACCOMPANYING24
  • ACQUISITIONS23
  • ACCELERATION16
  • ANTICIPATION16
  • ACQUAINTANCE25
  • ANTHROPOLOGY21
  • AGGRESSIVELY20
  • AUTHENTICITY20
  • ACCUMULATION18
  • ACKNOWLEDGES23
  • ACCELERATING17
  • ASTRONOMICAL16
  • AFFECTIONATE20
  • ARTIFICIALLY20
  • ANTICIPATING17
  • ASSASSINATED13
  • ADVANTAGEOUS17
  • ATTRIBUTABLE16
  • ACADEMICALLY22
  • ACCOMMODATED22
  • ALPHABETICAL21
  • APPRECIATIVE21
  • ACCUMULATING19
  • APPRECIATING19
  • ARISTOCRATIC16
  • ANNIHILATION15
  • ASSIMILATION14
  • ADVANCEMENTS20
  • ABBREVIATION19
  • APPREHENSION19
  • APPROPRIATED19
  • AFFILIATIONS18
  • AMALGAMATION17
  • AERONAUTICAL14
  • ARTICULATION14
  • AMORTIZATION23
  • APPREHENSIVE22
  • ASTROPHYSICS22
  • ASYMMETRICAL21
  • ANTIOXIDANTS20
  • ANTAGONISTIC15
  • AUGMENTATION15
  • APPROACHABLE23
  • ASYMPTOMATIC23
  • AFTERTHOUGHT22
  • ADAPTABILITY20
  • AERODYNAMICS20
  • ASYNCHRONOUS20
  • ARTISTICALLY17
  • ASTONISHMENT17
  • ACCOMPLISHES23
  • ADJUDICATION23
  • AMPHITHEATER22
  • ACCOMMODATES21
  • AMPHETAMINES21
  • AFFIRMATIONS20
  • APPENDICITIS19
  • ABSTRACTIONS16
  • ACCELERATORS16
  • AGRIBUSINESS15
  • ARTICULATING15
  • ASTROLOGICAL15
  • APPROXIMATED26
  • ANATOMICALLY19
  • AUTHENTICATE17
  • ABOLITIONIST14
  • ASPHYXIATION27
  • AROMATHERAPY22
  • ANTITHETICAL17
  • AUTONOMOUSLY17
  • ABOMINATIONS16
  • ASPIRATIONAL14
  • ACQUIESCENCE27
  • ANAPHYLACTIC24
  • ALPHANUMERIC21
  • ANALYTICALLY20
  • ATTRACTIVELY20
  • ANTIAIRCRAFT17
  • ASSIMILATING15
  • ANGIOGENESIS14
  • ANNUNCIATION14
  • ALLITERATION12
  • APPROXIMATES25
  • AMBIDEXTROUS24
  • ANTAGONIZING23
  • APPREHENDING21
  • ATHLETICALLY20
  • ACADEMICIANS19
  • ACOUSTICALLY19
  • ANTICIPATORY19
  • ARCHEOLOGIST18
  • ANNIHILATING16
  • ASCERTAINING15
  • ASTRONAUTICS14
  • ATTRIBUTIONS14
  • ANESTHETIZED25
  • APPENDECTOMY24
  • AFTEREFFECTS23
  • ARTHROSCOPIC21
  • ASTOUNDINGLY17
  • ALTERCATIONS14
  • ADJUDICATING24
  • ACETALDEHYDE22
  • AGROFORESTRY19
  • AUTOIMMUNITY19
  • APPROPRIATES18
  • ACCENTUATING17
  • AGGREGATIONS15
  • ALLITERATIVE15
  • ADULTERATION13
  • ATMOSPHERICS21
  • ANTHOCYANINS20
  • ANACHRONISMS19
  • APOTHECARIES19
  • ARITHMETICAL19
  • ACCUMULATORS18
  • ANAESTHETICS17
  • ANTEDILUVIAN16
  • APPELLATIONS16
  • AMELIORATION14
  • ANTIMALARIAL14
  • ARBITRATIONS14
  • ALPHABETIZED29
  • AGGRANDIZING25
  • ARCHETYPICAL24
  • ADJUDICATORS23
  • ACCUMULATIVE21
  • ADMONISHMENT20
  • AMALGAMATING18
  • ASTROBIOLOGY18
  • AFTERBURNERS17
  • ABOLITIONISM16
  • ADVENTITIOUS16
  • ADMINISTRATE15
  • ALTERNATIONS12
  • ACCLIMATIZED28
  • ACCESSORIZED26
  • ADJUDICATORY26
  • ARCHDEACONRY23
  • AFORETHOUGHT22
  • ANTIQUARIANS21
  • AUTOMORPHISM21
  • AFFECTATIONS20
  • APHRODISIACS20
  • ARCHDIOCESAN20
  • ARCHIPELAGOS20
  • APPORTIONING17
  • ARTICULATORY17
  • ACCENTUATION16
  • AMELIORATING15
  • ABORTIONISTS14
  • ACETONITRILE14
  • ASPHYXIATING28
  • ANTHOLOGIZED26
  • AZATHIOPRINE26
  • AGROCHEMICAL22
  • ABBREVIATING20
  • APPERCEPTION20
  • ACCRETIONARY19
  • APPRENTICING19
  • AUGMENTATIVE18
  • ACCORDIONIST17
  • ACCULTURATED17
  • ARTICULATELY17
  • ARTILLERYMEN17
  • ADORABLENESS15
  • ANTIPARALLEL14
  • AUDIOLOGISTS14
  • AUSCULTATION14
  • ATTESTATIONS12
  • AXISYMMETRIC28
  • APPARATCHIKS25
  • ADJOURNMENTS22
  • ADVISABILITY21
  • ANGIOGRAPHIC21
  • ACCLIMATISED19
  • AESTHETICISM19
  • ANTHELMINTIC19
  • AUSPICIOUSLY19
  • ABSENTMINDED18
  • AESTHETICIAN17
  • ANTIDIABETIC17
  • ANTICLERICAL16
  • ANESTHETISTS15
  • ALIMENTATION14
  • ASSIGNATIONS13
  • ASSASSINATES12
  • ARCHIPELAGIC22
  • ANTICYCLONIC21
  • ADRENOCHROME20
  • ANTIMONOPOLY19
  • ANTITHROMBIN19
  • AUTOGRAPHING19
  • AUTOMATICITY19
  • ACCOUTREMENT18
  • AUTOANTIBODY18
  • ABANDONMENTS17
  • ABRASIVENESS17
  • AGGLOMERATED17
  • ANTIFASCISTS17
  • APPERTAINING17
  • ARTILLERYMAN17
  • ADENOVIRUSES16
  • AGGLOMERATES16
  • ANTIPARTICLE16
  • ARRAIGNMENTS15
  • ADULTERATING14
  • ANTIABORTION14
  • ACCOMPANISTS20
  • ALLELOPATHIC19
  • ACCLAMATIONS18
  • ANALOGICALLY18
  • ANTIFEMINIST17
  • AGGLUTINATED15
  • ANASTOMOSING15
  • ARGILLACEOUS15
  • ABSOLUTENESS14
  • ANTICOLONIAL14
  • ANTINEUTRINO12
  • ADJUDICATIVE26
  • ACQUIREMENTS25
  • ABSORPTIVITY22
  • ADHESIVENESS19
  • ANKYLOSAURUS19
  • ANTIPATHETIC19
  • ANTIPYRETICS19
  • APPENDICULAR19
  • APPROPRIATOR18
  • ACCESSORISED17
  • AGGRAVATIONS17
  • AMBASSADRESS17
  • ASSIMILATIVE17
  • ADVERTORIALS16
  • ARBITRAGEURS15
  • ANISOTROPIES14
  • AUTOROTATION12
  • AMPHICTYONIC26
  • AMBIVALENTLY22
  • ARCHDIOCESES20
  • ANTICYCLONES19
  • ANTIFEMINISM19
  • ASTROCYTOMAS19
  • AUTODIDACTIC18
  • AMELIORATIVE17
  • ARSENOPYRITE17
  • AGGRANDISING16
  • ANAPLASMOSIS16
  • AUDIOLOGICAL16
  • AUDIOVISUALS16
  • ANNIHILATORS15
  • ANTHRANILATE15
  • ARTICULATORS14
  • ARTILLERISTS12
  • APOCHROMATIC23
  • ACTINOMYCETE21
  • AMATEURISHLY20
  • AMPEROMETRIC20
  • ANTECEDENTLY18
  • ANTIGENICITY18
  • APPRECIATORS18
  • APPURTENANCE18
  • ACCESSIONING17
  • ANDROCENTRIC17
  • ABSTRACTNESS16
  • AIRTIGHTNESS16
  • ANDROGENETIC16
  • ABERRATIONAL14
  • ANDROSTERONE13
  • ANTIESTROGEN13
  • APOCRYPHALLY27
  • ANATHEMATIZE26
  • ALLEGORIZING23
  • APPERCEPTIVE23
  • ANENCEPHALIC21
  • AGGRESSIVITY20
  • ALEXANDRINES20
  • AUTOXIDATION20
  • AUTOMOBILITY19
  • ABRIDGEMENTS18
  • ADAPTIVENESS18
  • APPOGGIATURA18
  • APPRAISEMENT18
  • AEROMAGNETIC17
  • ASSIMILATORY17
  • ATHEROMATOUS17
  • AGGLUTINATES14
  • ADULTERESSES13
  • ANTINATIONAL12
  • ADJECTIVALLY28
  • ACCOUCHEMENT23
  • AGRICHEMICAL22
  • AMPHIBOLITES21
  • ACCELERATIVE19
  • ANAGRAMMATIC19
  • ARTIODACTYLS18
  • AUSCULTATORY17
  • ANTIPREDATOR15
  • AXIOMATIZING31
  • ANTIKICKBACK30
  • ACHROMATIZED29
  • APPETIZINGLY29
  • ACHROMATIZES28
  • ALPHABETIZER28
  • ALPHABETIZES28
  • AMPHIBRACHIC28
  • APOSTROPHIZE28
  • ACCLIMATIZER27
  • ACCLIMATIZES27
  • APOTHEOSIZED27
  • ACHLORHYDRIC26
  • AESTHETICIZE26
  • AFFLICTIVELY26
  • ALKALINIZING26
  • AMOXYCILLINS26
  • APOTHEOSIZES26
  • ACCESSORIZES25
  • ACQUITTANCES25
  • ANTHOLOGIZER25
  • ANTHOLOGIZES25
  • APPARATCHIKI25
  • ARCHDUKEDOMS25
  • ARCHETYPALLY25
  • AZOOSPERMIAS25
  • AZOTOBACTERS25
  • ABSOLUTIZING24
  • ACHLORHYDRIA24
  • ACTINOMORPHY24
  • AGGRANDIZERS24
  • ALCHEMICALLY24
  • AMPHIBIOUSLY24
  • ANALYZATIONS24
  • ANESTHETIZES24
  • APOSTATIZING24
  • AUTOMATIZING24
  • AUTOTOMIZING24
  • AUXOTROPHIES24
  • ABJECTNESSES23
  • ABSQUATULATE23
  • ACCOMPLISHER23
  • AFFIRMATIVES23
  • AFFRICATIVES23
  • AMAZONSTONES23
  • AMOXICILLINS23
  • AMPHIDIPLOID23
  • AMPHISBAENIC23
  • ANTIBACKLASH23
  • ANTICLIMAXES23
  • ANTIMOSQUITO23
  • APOCALYPTISM23
  • AQUACULTURAL23
  • AQUACULTURES23
  • AQUICULTURES23
  • ARBORIZATION23
  • ARCHERFISHES23
  • ATHWARTSHIPS23
  • ATOMIZATIONS23
  • ADEQUATENESS22
  • ADJUSTMENTAL22
  • AERENCHYMATA22
  • AEROSOLIZING22
  • AGORAPHOBICS22
  • ALDOLIZATION22
  • ALLEGORIZERS22
  • ANARCHICALLY22
  • ANODIZATIONS22
  • ANOREXIGENIC22
  • ANTIBLACKISM22
  • APOPHYLLITES22
  • APOTHEGMATIC22
  • APPERCEIVING22
  • APPOSITIVELY22
  • ASYNCHRONISM22
  • ATTITUDINIZE22
  • AUTOHYPNOTIC22
  • ACADEMICISMS21
  • ACCOMMODATOR21
  • ACHROMATISMS21
  • ACTINOMYCINS21
  • AFFECTEDNESS21
  • AFFICIONADOS21
  • AFTERMARKETS21
  • ALLOMORPHISM21
  • AMBIVALENCES21
  • AMPHISBAENAS21
  • AMYLOPECTINS21
  • ANALPHABETIC21
  • ANCHORPEOPLE21
  • ANTECHAMBERS21
  • ANTILYNCHING21
  • ANTIOZONANTS21
  • ANTIQUATIONS21
  • APOCALYPTIST21
  • APOMORPHINES21
  • APPRECIATORY21
  • AQUARELLISTS21
  • AQUATINTISTS21
  • AQUILINITIES21
  • ARCHESPORIUM21
  • ASCOMYCETOUS21
  • ABSTRACTEDLY20
  • ACCIACCATURA20
  • ACRIFLAVINES20
  • ADMIRABILITY20
  • ADOPTABILITY20
  • AFFABILITIES20
  • AGORAPHOBIAS20
  • AIRFREIGHTED20
  • ALEXANDRITES20
  • AMBLYGONITES20
  • AMYGDALOIDAL20
  • ANTHOPHILOUS20
  • ANTIDANDRUFF20
  • ANTIHYSTERIC20
  • ANTILEUKEMIC20
  • ANTIPHONALLY20
  • ANTIPOACHING20
  • AORTOGRAPHIC20
  • APERIODICITY20
  • APPRAISINGLY20
  • APPROPRIABLE20
  • ASYNCHRONIES20
  • ATTORNEYSHIP20
  • AUTOCHTHONES20
  • AUTOHYPNOSES20
  • AUTOHYPNOSIS20
  • AVARICIOUSLY20
  • AVASCULARITY20
  • AVUNCULARITY20
  • ABBREVIATORS19
  • ABOLISHMENTS19
  • ABRACADABRAS19
  • ABSTEMIOUSLY19
  • ACCREDITABLE19
  • ACROMEGALICS19
  • ACROSTICALLY19
  • ADVERSATIVES19
  • AGGRIEVEMENT19
  • AILUROPHOBES19
  • AILUROPHOBIA19
  • ALLELOMORPHS19
  • AMBIVERSIONS19
  • AMBULATORILY19
  • AMINOPYRINES19
  • AMITOTICALLY19
  • ANAGOGICALLY19
  • ANCHORPERSON19
  • ANEMOPHILOUS19
  • ANGLERFISHES19
  • ANIMADVERTED19
  • ANNEXATIONAL19
  • ANTIACADEMIC19
  • ANTIBOYCOTTS19
  • ANTIEPILEPSY19
  • ANTIFASCISMS19
  • ANTIHUMANISM19
  • ANTIRACHITIC19
  • ANTISTROPHIC19
  • ANTITAKEOVER19
  • APOLITICALLY19
  • APOSTLESHIPS19
  • APOSTOLICITY19
  • APOSTROPHISE19
  • APPELLATIVES19
  • APPENDICITES19
  • ARCHESPORIAL19
  • AROMATICALLY19
  • ARSPHENAMINE19
  • ARTHROSCOPES19
  • ASEXUALITIES19
  • ASSUMABILITY19
  • ATHLETICISMS19
  • AVITAMINOTIC19
  • ABORIGINALLY18
  • ABSORBANCIES18
  • ABSORBENCIES18
  • ABSORPTANCES18
  • ABSTRACTABLE18
  • ACATALECTICS18
  • ACCEPTATIONS18
  • ACCIPITRINES18
  • ACCLIMATIONS18
  • ACCLIMATISES18
  • ACCOUTERMENT18
  • ACROCENTRICS18
  • ACTINOMETRIC18
  • ACUPUNCTURES18
  • ADAPTIVITIES18
  • ADMONITORILY18
  • ADOLESCENTLY18
  • ADVENTURISMS18
  • ADVERTENCIES18
  • AEROEMBOLISM18
  • AGAPANTHUSES18
  • AGRANULOCYTE18
  • AGREEABILITY18
  • AIRWORTHIEST18
  • ALKALIMETERS18
  • ALLOANTIBODY18
  • ALMIGHTINESS18
  • AMICABLENESS18
  • AMOBARBITALS18
  • ANNIHILATORY18
  • ANTHOLOGICAL18
  • ANTIBURGLARY18
  • ANTICATHODES18
  • ANTIDOGMATIC18
  • ANTIECONOMIC18
  • ANTIFASHIONS18
  • ANTIGAMBLING18
  • APPEASEMENTS18
  • APPRESSORIUM18
  • APPROBATIONS18
  • ARBORESCENCE18
  • ARCHEGONIATE18
  • ARCHEOLOGIES18
  • ASSAULTIVELY18
  • ASSEVERATIVE18
  • AUTOGRAPHIES18
  • AVERSIVENESS18
  • ABECEDARIANS17
  • ABOLITIONARY17
  • ABORTIVENESS17
  • ACCELERANDOS17
  • ACCURSEDNESS17
  • ACETYLATIONS17
  • ACIDIMETRIES17
  • ACROMEGALIES17
  • ACTIVENESSES17
  • ADDITIVITIES17
  • ADOLESCENCES17
  • ADOPTIANISMS17
  • ADOPTIONISMS17
  • ADUMBRATIONS17
  • ADVERTISINGS17
  • AEROMEDICINE17
  • AGNOSTICISMS17
  • AILUROPHILES17
  • ALCYONARIANS17
  • ALIENABILITY17
  • ALLOGRAFTING17
  • ALTERABILITY17
  • AMALGAMATORS17
  • AMELIORATORY17
  • AMENTIFEROUS17
  • ANACOLUTHONS17
  • ANASTIGMATIC17
  • ANECDOTALISM17
  • ANELASTICITY17
  • ANNUNCIATORY17
  • ANORTHOSITIC17
  • ANTECEDENCES17
  • ANTEPENDIUMS17
  • ANTHRACNOSES17
  • ANTICATALYST17
  • ANTICREATIVE17
  • ANTIFEMININE17
  • ANTIFRICTION17
  • ANTIMAGNETIC17
  • ANTIMILITARY17
  • ANTIPERIODIC17
  • ANTIRRHINUMS17
  • ANTISOCIALLY17
  • ANTISTROPHES17
  • ANTIVIOLENCE17
  • ANTIVITAMINS17
  • AORISTICALLY17
  • ARCHENTERONS17
  • ARCHOSAURIAN17
  • ARPEGGIATING17
  • ARTHROSPORES17
  • ARTICULATIVE17
  • ARTISANSHIPS17
  • ASCENDANCIES17
  • ASCENDENCIES17
  • ASPERGILLUMS17
  • ASSEMBLAGIST17
  • ASTIGMATISMS17
  • ATHEORETICAL17
  • ATTRIBUTIVES17
  • AUTISTICALLY17
  • AUTOECIOUSLY17
  • AUTOGRAFTING17
  • AUTOMOBILING17
  • AUTOTROPHIES17
  • AVICULTURIST17
  • AVITAMINOSES17
  • AVITAMINOSIS17
  • ABRUPTNESSES16
  • ABSENTEEISMS16
  • ABSOLUTISTIC16
  • ACCESSORISES16
  • ACCULTURATES16
  • ACCURATENESS16
  • ACOUSTICIANS16
  • ACTABILITIES16
  • ACTINOMETERS16
  • ACUPRESSURES16
  • ADULTEROUSLY16
  • ADVENTURISTS16
  • AGGLUTINABLE16
  • AGROFORESTER16
  • ALBUMINURIAS16
  • ALGOLAGNIACS16
  • ALKALINITIES16
  • AMBITIONLESS16
  • AMBULATORIES16
  • AMIABILITIES16
  • AMINOPTERINS16
  • AMMONIATIONS16
  • ANACREONTICS16
  • ANAPLASMOSES16
  • ANEMOMETRIES16
  • ANISEIKONIAS16
  • ANISOTROPISM16
  • ANTHOLOGISTS16
  • ANTICIPATORS16
  • ANTICONSUMER16
  • ANTIENTROPIC16
  • ANTIHUNTINGS16
  • ANTIMACASSAR16
  • ANTIMITOTICS16
  • ANTINEPOTISM16
  • ANTIPIRACIES16
  • ANTIPOLITICS16
  • ANTIPRURITIC16
  • ANTIROMANTIC16
  • ANTISCIENCES16
  • ANTISPENDING16
  • APICULTURIST16
  • APPARENTNESS16
  • APPARITIONAL16
  • APPOSITENESS16
  • APPOSITIONAL16
  • APPURTENANTS16
  • ARBITRAMENTS16
  • ARMAMENTARIA16
  • ARTICULACIES16
  • ASSEVERATING16
  • ASTERISKLESS16
  • ASTRINGENTLY16
  • ATTRACTANCES16
  • AUTOCRATICAL16
  • AUTOGENOUSLY16
  • AUTOMOBILIST16
  • ABSURDNESSES15
  • ACETANILIDES15
  • ACIDULATIONS15
  • ADAPTATIONAL15
  • ADMINISTRANT15
  • ADOPTIONISTS15
  • ADSCITITIOUS15
  • AESTIVATIONS15
  • AGGLUTINOGEN15
  • AGGRADATIONS15
  • AGRARIANISMS15
  • AGRICULTURES15
  • ALLEVIATIONS15
  • ALLUSIVENESS15
  • AMONTILLADOS15
  • ANAESTHESIAS15
  • ANECDOTALIST15
  • ANEUPLOIDIES15
  • ANNUNCIATING15
  • ANORTHOSITES15
  • ANTICLOTTING15
  • ANTIGLOBULIN15
  • ANTIHEROINES15
  • ANTINOVELIST15
  • ANTIROYALIST15
  • ANTITUSSIVES15
  • APOSTATISING15
  • ARABINOSIDES15
  • ARTERIOGRAMS15
  • ARTFULNESSES15
  • ASSEVERATION15
  • ASSUAGEMENTS15
  • AUDIBILITIES15
  • AUDIOMETRIES15
  • AUSCULTATING15
  • AUTECOLOGIES15
  • AVERSENESSES15
  • ABSTRUSENESS14
  • ABSTRUSITIES14
  • ALLEGORISING14
  • ALLOPURINOLS14
  • AMELIORATORS14
  • ANAEROBIOSES14
  • ANAEROBIOSIS14
  • ANCESTRESSES14
  • ANDROGENESES14
  • ANDROGENESIS14
  • ANGELOLOGIES14
  • ANGELOLOGIST14
  • ANGIOGENESES14
  • ANILINCTUSES14
  • ANNUNCIATORS14
  • ANTIBUSINESS14
  • ANTICULTURAL14
  • ANTIELECTRON14
  • ANTIELITISMS14
  • ANTILIBERALS14
  • ANTIMISSILES14
  • ANTINUCLEONS14
  • ANTIPLEASURE14
  • ANTIREALISMS14
  • ANTONOMASIAS14
  • ASSIMILATORS14
  • ASTROMETRIES14
  • AUTOEROTISMS14
  • AUTOSUGGESTS14
  • ADROITNESSES13
  • ADULTERATORS13
  • AIGUILLETTES13
  • ALDOSTERONES13
  • ALLITERATING13
  • ALLOANTIGENS13
  • ALTITUDINOUS13
  • ANDOUILLETTE13
  • ANGIOTENSINS13
  • ANGULARITIES13
  • ANTIDILUTION13
  • ANTIRELIGION13
  • ATTITUDINISE13
  • AUGUSTNESSES13
  • AUTOROTATING13
  • ALLOSAURUSES12
  • ANTIELITISTS12
  • ANTILITERATE12
  • ANTINEUTRONS12
  • ANTIRATIONAL12
  • ANTIREALISTS12
  • ANTITRUSTERS12
  • ASSASSINATOR12
  • ASSENTATIONS12
  • ASTUTENESSES12
  • ATTENUATIONS12

Related word lists

Questions people ask

About this list

Our word list is ENABLE, first published in 2000 and still used by most word games.

Meanings come from Princeton WordNet (2011). How common a word is comes from wordfreq.

Look up APPLICATIONS in Merriam-Webster, Wiktionary, Collins or Dictionary.com. Check it for Scrabble at Merriam-Webster Scrabble.

FAQ

How many 12 letter words that start with A?

Our dictionary has 752 12-letter words starting with A. It is based on the ENABLE word list used by most word games.

What is the most common 12 letter word starting with A?

APPLICATIONS is the most common in everyday English, followed by ARCHITECTURE, ANNOUNCEMENT, AGRICULTURAL.

What 12 letter word starting with A scores the most in Scrabble?

AXIOMATIZING scores 31 points before bonus squares (34 in Words With Friends).