11 Letter Words Starting with O and Containing IS

When you need a list of 11 letter words that start with O and contain IS, who you gonna call? WordList Finder! Word lists exactly like these 11 letter words are only a few quick finger taps away on our site. Dive into words that start with O or words with IS to find some more options — if you're feeling a little flexible.

11 letter words

  1. objectivise
  2. oecologists
  3. oenophilist
  4. oligomerise
  5. onychitises
  6. operatising
  7. operettists
  8. ophthalmist
  9. opinionised
  10. opinionises
  11. optimalised
  12. optimalises
  13. optologists
  14. orbicularis
  15. oreologists
  16. organicisms
  17. organicists
  18. organisable
  19. organisings
  20. organistrum
  21. ornamentist
  22. orthoprisms
  23. orthoptists
  24. ostracisers
  25. ostrichisms
  26. outorganise
  27. outpromised
  28. outpromises
  29. overnourish
  30. overpoising
  31. overutilise
  32. oxygenisers