12 Letter Words Starting with O and Containing OUS

When you need a list of 12 letter words that start with O and contain OUS, who you gonna call? WordList Finder! Word lists exactly like these 12 letter words are only a few quick finger taps away on our site. Dive into words that start with O or words with OUS to find some more options — if you're feeling a little flexible.

12 letter words

  1. obstropalous
  2. octastichous
  3. octosepalous
  4. odiousnesses
  5. odontomatous
  6. ombrophobous
  7. ophiolatrous
  8. orthocousins
  9. osteodermous
  10. overarousals
  11. oxycephalous