Words beginning with 'op'


With so many possible combinations to pick from (745 entries), the sky is your limit.

2 letter words

  • op

3 letter words

  • opa
  • ope
  • opp
  • ops
  • opt

4 letter words

  • opah
  • opai
  • opal
  • opec
  • oped
  • open
  • opes
  • opsy
  • opts
  • opus

5 letter words

  • opahs
  • opals
  • opata
  • opelu
  • opens
  • opera
  • ophic
  • ophir
  • ophis
  • opine
  • oping
  • opium
  • opsin
  • opted
  • optic

6 letter words

  • opacus
  • opaion
  • opaled
  • opaque
  • opcode
  • opelet
  • opened
  • opener
  • openly
  • operae
  • operas
  • operla
  • operon
  • ophian
  • ophion
  • ophism
  • ophite
  • ophrys
  • opiane
  • opiate
  • opifex
  • opiism
  • opilia
  • opined
  • opiner
  • opines
  • opiums
  • oporto
  • oppian
  • oppida
  • oppone
  • oppose
  • oppugn
  • opsins
  • optant
  • optate
  • optics
  • optima
  • optime
  • opting
  • option
  • optive
  • opulus
  • opuses

7 letter words

  • opacate
  • opacify
  • opacite
  • opacity
  • opacous
  • opaleye
  • opalina
  • opaline
  • opalish
  • opalize
  • opaloid
  • opaqued
  • opaquer
  • opaques
  • opencut
  • openers
  • openest
  • opening
  • operand
  • operant
  • operary
  • operate
  • opercle
  • operons
  • operose
  • ophelia
  • ophidia
  • ophioid
  • ophites
  • ophitic
  • ophryon
  • opianic
  • opianyl
  • opiated
  • opiates
  • opiatic
  • opifice
  • opimian
  • opinant
  • opiners
  • opining
  • opinion
  • opossum
  • oppidan
  • oppidum

8 letter words

  • opalesce
  • opalines
  • opalinid
  • opalized
  • opaquely
  • opaquest
  • opaquing
  • opdalite
  • openable
  • openband
  • openbeak
  • openbill
  • opencast
  • openhead
  • openings
  • openness
  • openside
  • openwork
  • operable
  • operably
  • operance
  • operancy
  • operandi
  • operands
  • operants
  • operated
  • operatee
  • operates
  • operatic
  • operator
  • opercele
  • opercled
  • opercula
  • opercule
  • operetta
  • operette
  • ophiasis
  • ophidian
  • ophidion
  • ophidium
  • ophionid
  • ophitism
  • ophiucus
  • ophiuran
  • ophiurid

9 letter words

  • opacified
  • opacifier
  • opacifies
  • opacities
  • opalesced
  • opalesces
  • opalesque
  • opalinine
  • opalizing
  • opalotype
  • opedeldoc
  • opegrapha
  • openchain
  • openworks
  • operabily
  • operagoer
  • operantis
  • operantly
  • operatics
  • operating
  • operation
  • operative
  • operatize
  • operatory
  • operators
  • operatrix
  • operceles
  • opercular
  • opercules
  • operculum
  • operettas
  • operosely
  • operosity
  • ophidians
  • ophidioid
  • ophidious
  • ophiolite
  • ophiology
  • ophionine
  • ophiuchid
  • ophiuchus
  • ophiurida
  • ophiuroid
  • ophthalmy
  • opiliones

10 letter words

  • opacifying
  • opacimeter
  • opalescent
  • opalescing
  • opalinidae
  • opaqueness
  • openairish
  • openhanded
  • opennesses
  • operalogue
  • operameter
  • operatable
  • operatical
  • operations
  • operatives
  • operculata
  • operculate
  • operculums
  • operettist
  • ophelimity
  • ophicleide
  • ophidiidae
  • ophidology
  • ophiobolus
  • ophiolater
  • ophiolatry
  • ophiolitic
  • ophiologic
  • ophiomancy
  • ophiomorph
  • ophioninae
  • ophiophobe
  • ophiophoby
  • ophiouride
  • ophisaurus
  • ophthalmia
  • ophthalmic
  • ophthalmol
  • opiliaceae
  • opilionina
  • opilionine
  • opiniaster
  • opiniastre
  • opiniative
  • opinicuses

11 letter words

  • opacousness
  • opalescence
  • opeidoscope
  • openability
  • openairness
  • opencircuit
  • openhearted
  • openmouthed
  • operability
  • operational
  • operatively
  • operativity
  • operatrices
  • operculated
  • operoseness
  • ophicalcite
  • ophiography
  • ophiologist
  • ophiomorpha
  • ophiophagus
  • ophiophobia
  • ophiosaurus
  • ophiuroidea
  • ophthalitis
  • ophthalmiac
  • ophthalmist
  • ophthalmite
  • opiateproof
  • opiconsivia
  • opiliaceous
  • opinability
  • opinatively
  • opiniatedly
  • opiniatrety
  • opinionable
  • opinionaire
  • opinionated
  • opiophagism
  • opisthocome
  • opisthocomi
  • opisthodome
  • opisthodont
  • opobalsamum
  • oppignerate
  • oppignorate

12 letter words

  • openhandedly
  • operatically
  • operationism
  • operationist
  • operculiform
  • ophicephalus
  • ophichthyoid
  • ophicleidean
  • ophicleidist
  • ophidiomania
  • ophidologist
  • ophioglossum
  • ophiolatrous
  • ophiological
  • ophiomorphic
  • ophiophagous
  • ophiophilism
  • ophiophilist
  • ophiopluteus
  • ophiuroidean
  • ophthalmagra
  • ophthalmious
  • ophthalmitic
  • ophthalmitis
  • ophthalmopod
  • opiniastrety
  • opiniastrous
  • opiniatively
  • opinionately
  • opinionative
  • opisthodetic
  • opisthodomos
  • opisthodomus
  • opisthoglyph
  • opisthograph
  • opisthoparia
  • opisthorchis
  • opisthosomal
  • opisthotonic
  • opisthotonos
  • opisthotonus
  • opportunists
  • opposability
  • oppositeness
  • oppositional

13 letter words

  • opacification
  • openendedness
  • openheartedly
  • openmouthedly
  • operabilities
  • operationally
  • operativeness
  • ophicephaloid
  • ophichthyidae
  • ophidiophobia
  • ophiomorphous
  • ophiostaphyle
  • ophthalaiater
  • ophthalmalgia
  • ophthalmalgic
  • ophthalmiater
  • ophthalmocele
  • ophthalmolith
  • ophthalmology
  • ophthalmostat
  • ophthalmotomy
  • opiniatreness
  • opinionatedly
  • opinionedness
  • opisthobranch
  • opisthocoelia
  • opisthocomine
  • opisthocomous
  • opisthogyrate
  • opisthogyrous
  • opisthoglypha
  • opisthoglossa
  • opisthography
  • opisthoparian
  • opisthophagic
  • opisthoporeia
  • opisthothelae
  • opisthotonoid
  • opportuneless
  • opportuneness
  • opportunistic
  • opportunities
  • oppositionary
  • oppositionism
  • oppositionist

14 letter words

  • openhandedness
  • operationalism
  • operationalist
  • operculiferous
  • operculigenous
  • operculigerous
  • ophicephalidae
  • ophiobatrachia
  • ophioglossales
  • ophresiophobia
  • ophthalmectomy
  • ophthalmocopia
  • ophthalmodynia
  • ophthalmologic
  • ophthalmometer
  • ophthalmometry
  • ophthalmopathy
  • ophthalmophore
  • ophthalmorrhea
  • ophthalmoscope
  • ophthalmoscopy
  • ophthalmotrope
  • opiniativeness
  • opinionatively
  • opisthocoelian
  • opisthocoelous
  • opisthocomidae
  • opisthodomoses
  • opisthogastric
  • opisthoglyphic
  • opisthoglossal
  • opisthographal
  • opisthographic
  • opposabilities
  • oppositionists
  • oppositionless
  • oppositiveness
  • oppressiveness
  • opsonification
  • opticochemical
  • optimistically
  • optoelectronic

15 letter words

  • openheartedness
  • openmouthedness
  • ophioglossaceae
  • ophthalmetrical
  • ophthalmiatrics
  • ophthalmography
  • ophthalmologies
  • ophthalmologist
  • ophthalmometric
  • ophthalmoplasty
  • ophthalmoplegia
  • ophthalmoplegic
  • ophthalmoptosis
  • ophthalmosaurus
  • ophthalmoscopes
  • ophthalmoscopic
  • ophthalmostasis
  • opinionatedness
  • opisthobranchia
  • opisthoglyphous
  • opisthoglossate
  • opisthognathism
  • opisthognathous
  • opisthorchiasis
  • oppositiflorous
  • oppositifolious
  • oppositipinnate
  • opprobriousness
  • opthalmophorium
  • opticopapillary
  • opticopupillary

16 letter words

  • operationalistic
  • ophidiobatrachia
  • ophioglossaceous
  • ophthalmatrophia
  • ophthalmological
  • ophthalmologists
  • ophthalmomalacia
  • ophthalmomycosis
  • ophthalmomyotomy
  • ophthalmophorous
  • ophthalmorrhagia
  • ophthalmorrhexis
  • ophthalmoscopies
  • ophthalmoscopist
  • opinionativeness
  • opisthognathidae
  • opisthographical
  • oppositipetalous
  • oppositisepalous
  • optimisticalness

17 letter words

  • ophthalmometrical
  • ophthalmomyositis
  • ophthalmoneuritis
  • ophthalmophthisis
  • ophthalmoscopical
  • opisthobranchiate
  • opportunistically

18 letter words

  • ophthalmencephalon
  • ophthalmocarcinoma
  • ophthalmodiagnosis
  • ophthalmologically
  • ophthalmotonometer
  • ophthalmotonometry

19 letter words

  • ophthalmoleucoscope
  • ophthalmophlebotomy
  • ophthalmostatometer
  • ophthalmotropometer
  • opthalmothermometer

20 letter words

  • ophthalmoblennorrhea
  • ophthalmodiastimeter
  • ophthalmodynamometer
  • ophthalmothermometer

Which is the most unusual word that starts with 'op'?
We feel that 'opalescence' to be the most weird word on this page. 'Opalescence' is defined as "A reflection of a milky or pearly light from the interior of a mineral, as in the moonstone; the state or quality of being opalescent.", according to the dictionary.

In Scrabble, what is the most points possible using words beginning with 'op'?
With a massive 745 entries, your best choice is 'opaquely' scoring 22 points.

How many usable words are possible to put together using the combination specified?
There are 745 words possible using words that start with 'op'.

How many characters does the largest word from this list contain?
Try 'ophthalmoblennorrhea'

Is there a word on this page that jumps out as the most common?
The most popular word is 'open', which happens to be the 410th most common word in this list.