12 letter adjectives that start with O and contain A

We have listed 42 12-letter adjectives that start with O and contain A for you in this WordMom word list. All these 12-letter adjectives starting with O and contain A were verified by specialists in the English language.

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  • oblanceolate
  • obligational
  • obliterative
  • obtusangular
  • occupational
  • octogenarian
  • octosyllabic
  • octosyllable
  • octopetalous
  • octoradiated
  • occasionable
  • oenanthylous
  • oligarchical
  • onomatopoeic
  • onagrarieous
  • opinionative
  • ophiological
  • ophiophagous
  • opiniastrous
  • orthographic
  • orchestrated
  • orthopedical
  • organicistic
  • orographical
  • orchidaceous
  • organoleptic
  • orthoclastic
  • orichalceous
  • orthognathic
  • orthodoxical
  • ostentatious
  • osteological
  • osteoplastic
  • overreaching
  • overcautious
  • overcritical
  • overabundant
  • overdelicate
  • overfamiliar
  • overturnable
  • overmalapert
  • oxygenizable

12 letter adjectives that start with