11-Letter Words Starting with 'OP'

Discover 31 playable English 11-letter words starting with 'OP' from familiar terms like Opportunity, Operational, Opinionated and Opportunist to rare vocabulary. Each entry is verified for word games and crosswords, complete with scores and meanings below.

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Starts with OPA1 words
opalescence
Starts with OPE10 words
operational
operatively
operability
openhearted
openmouthed
operativity
openability
operculated
operoseness
opeidoscope
Starts with OPH5 words
ophthalmist
ophiologist
ophiophilia
ophicalcite
ophidiarium
Starts with OPI3 words
opinionated
opinionator
opisthosoma
Starts with OPP8 words
opportunity
opportunist
opportunism
opportunely
opprobrious
oppignerate
oppignorate
oppugnantly
Starts with OPT4 words
optometrist
optionality
optocoupler
optokinetic
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