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Words That Start With OP
We found 319 words for words that start with op.
The everyday ones come first. Tap any word to see what it means and what it scores.
15 letter words starting with OP 13
14 letter words starting with OP 14
13 letter words starting with OP 20
- OPPORTUNITIES17
- OPPORTUNISTIC19
- OPHTHALMOLOGY27
- OPERATIONALLY18
- OPTIMIZATIONS26
- OPTIMISATIONS17
- OPPOSITIONIST17
- OPISTHOBRANCH25
- OPENMOUTHEDLY24
- OPENHEARTEDLY22
- OPPROBRIOUSLY22
- OPINIONATEDLY19
- OPERATIVENESS18
- OPENABILITIES17
- OPERABILITIES17
- OPERATIONISMS17
- OPPORTUNENESS17
- OPERATIONISTS15
- OPEROSENESSES15
- OPTIONALITIES15
12 letter words starting with OP 19
11 letter words starting with OP 26
- OPPORTUNITY18
- OPERATIONAL13
- OPINIONATED14
- OPPORTUNIST15
- OPPORTUNISM17
- OPPOSITIONS15
- OPTOMETRIST15
- OPERATIVELY19
- OPERABILITY18
- OPPRESSIONS15
- OPALESCENCE17
- OPTIONALITY16
- OPPORTUNELY18
- OPENHEARTED17
- OPPROBRIOUS17
- OPHTHALMIAS21
- OPSONIFYING20
- OPENMOUTHED19
- OPPROBRIUMS19
- OPTOKINETIC19
- OPENABILITY18
- OPERCULATED16
- OPERAGOINGS15
- OPTOMETRIES15
- OPERETTISTS13
- OPEROSENESS13
10 letter words starting with OP 38
- OPERATIONS12
- OPPOSITION14
- OPTIMISTIC16
- OPPRESSION14
- OPERATIVES15
- OPPRESSIVE17
- OPTIMIZING24
- OPTIONALLY15
- OPPRESSORS14
- OPHTHALMIC22
- OPPRESSING15
- OPTIMISING15
- OPPROBRIUM18
- OPPOSITELY17
- OPTIMALITY17
- OPTOMETRIC16
- OPALESCENT14
- OPTIMIZERS23
- OPAQUENESS21
- OPHTHALMIA20
- OPHIUROIDS16
- OPERCULATE14
- OPSONIZING22
- OPACIFYING21
- OPTATIVELY18
- OPENHANDED17
- OPERCULUMS16
- OPSONIFIED16
- OPALESCING15
- OPPILATING15
- OPSONIFIES15
- OPERAGOING14
- OPERCULARS14
- OPPOSELESS14
- OPULENCIES14
- OPERAGOERS13
- OPENNESSES12
- OPERETTIST12
9 letter words starting with OP 56
- OPERATION11
- OPERATING12
- OPPONENTS13
- OPERATORS11
- OPERATIVE14
- OPPRESSED14
- OPTIMIZED23
- OPPOSITES13
- OPTIMALLY16
- OPTICALLY16
- OPPORTUNE13
- OPPRESSOR13
- OPTOMETRY16
- OPTIMISED14
- OPTIMISTS13
- OPTIMIZER22
- OPTICIANS13
- OPTIMIZES22
- OPERCULUM15
- OPPOSABLE15
- OPPRESSES13
- OPERETTAS11
- OPACITIES13
- OPTIMISES13
- OPULENTLY14
- OPERCULAR13
- OPTIONING12
- OPTIONALS11
- OPUSCULUM15
- OPSONIZED21
- OPSONIZES20
- OPENWORKS18
- OPACIFIED17
- OPACIFIES16
- OPHIDIANS15
- OPHIUROID15
- OPIUMISMS15
- OPPUGNING15
- OPTIMISMS15
- OPALESCED14
- OPERANTLY14
- OPEROSELY14
- OPPILATED14
- OPPUGNERS14
- OPTATIVES14
- OPALESCES13
- OPERATICS13
- OPERCELES13
- OPERCULES13
- OPPILATES13
- OPTICISTS13
- OPULENCES13
- OPUSCULES13
- OPERAGOER12
- OPINIONED12
- OPTIONEES11
8 letter words starting with OP 55
- OPPOSITE12
- OPERATED11
- OPINIONS10
- OPERATOR10
- OPPONENT12
- OPERATES10
- OPPOSING13
- OPTIONAL10
- OPTIMISM14
- OPENINGS11
- OPENNESS10
- OPTIMIZE21
- OPTIMIST12
- OPERATIC12
- OPULENCE12
- OPERABLE12
- OPTIMISE12
- OPTIONED11
- OPTICIAN12
- OPERETTA10
- OPOSSUMS12
- OPENCAST12
- OPERANDS11
- OPENWORK17
- OPTATIVE13
- OPPOSERS12
- OPHIDIAN14
- OPENABLE12
- OPUSCULA12
- OPAQUELY22
- OPERCULA12
- OPERABLY15
- OPAQUING20
- OPAQUEST19
- OPSONIZE19
- OPSONIFY16
- OPULENCY15
- OPIUMISM14
- OPPUGNED14
- OPTIMUMS14
- OPPIDANS13
- OPPUGNER13
- OPALESCE12
- OPERCELE12
- OPERCULE12
- OPPILANT12
- OPPILATE12
- OPTICIST12
- OPUSCULE12
- OPIATING11
- OPALINES10
- OPERANTS10
- OPSONINS10
- OPTIONEE10
- OPUNTIAS10
7 letter words starting with OP 37
- OPENING10
- OPINION9
- OPTIONS9
- OPPOSED12
- OPERATE9
- OPTICAL11
- OPTIMAL11
- OPTIMUM13
- OPPOSES11
- OPIOIDS10
- OPENERS9
- OPPRESS11
- OPULENT9
- OPACITY14
- OPIATES9
- OPOSSUM11
- OPERAND10
- OPERANT9
- OPINING10
- OPUNTIA9
- OPALINE9
- OPPOSER11
- OPERONS9
- OPAQUES18
- OPAQUED19
- OPAQUER18
- OPACIFY17
- OPHITIC14
- OPHITES12
- OPPIDAN12
- OPPUGNS12
- OPSONIC11
- OPTIMES11
- OPIATED10
- OPENEST9
- OPEROSE9
- OPSONIN9
6 letter words starting with OP 21
5 letter words starting with OP 10
4 letter words starting with OP 7
3 letter words starting with OP 3
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 OPEN in Merriam-Webster, Wiktionary, Collins or Dictionary.com. Check it for Scrabble at Merriam-Webster Scrabble.
FAQ
How many words that start with OP?
Our dictionary has 319 words starting with OP. It is based on the ENABLE word list used by most word games.
What is the most common word starting with OP?
OPEN is the most common in everyday English, followed by OPPORTUNITY, OPERATIONS, OPERATION.
What word starting with OP scores the most in Scrabble?
OPHTHALMOSCOPY scores 31 points before bonus squares (33 in Words With Friends).