16-Letter Words Starting with 'OP'

Discover 20 playable English 16-letter words starting with 'OP' from familiar terms like Ophthalmological, Opinionativeness, Operationalistic and Ophthalmoscopist to rare vocabulary. Each entry is verified for word games and crosswords, complete with scores and meanings below.

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Starts with OPE1 words
operationalistic
Starts with OPH12 words
ophthalmological
ophthalmoscopist
ophthalmomycosis
ophthalmophorous
ophioglossaceous
ophthalmophyllum
ophidiobatrachia
ophthalmomyotomy
ophthalmorrhexis
ophthalmomalacia
ophthalmatrophia
ophthalmorrhagia
Starts with OPI4 words
opinionativeness
opisthopulmonate
opisthographical
opisthognathidae
Starts with OPP2 words
oppositipetalous
oppositisepalous
Starts with OPT1 words
optimisticalness
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