9 letter words that start with OP

We have listed 44 9-letter words that start with OP for you in this WordMom word list. All these 9-letter words starting with OP were verified by specialists in the English language.

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  • opalotype
  • oparcular
  • operating
  • operation
  • operative
  • operculum
  • operagoer
  • opercular
  • operosity
  • operatize
  • operatory
  • ophiology
  • ophiuchus
  • ophidioid
  • ophidious
  • ophthalmy
  • opinioned
  • opination
  • opinative
  • opiniated
  • opiniatre
  • opiparous
  • opisthion
  • opiferous
  • opiniator
  • opobalsam
  • opodeldoc
  • opportune
  • oppressed
  • oppressor
  • opposable
  • opponency
  • oppugnant
  • oppletion
  • opsimathy
  • optically
  • optimally
  • optometry
  • optometer
  • opthalmic
  • optigraph
  • optocoele
  • opulently
  • opusculum

9 letter words that start with