Words Starting with O and Containing OS

A list of words that start with O and contain OS is here. Make the most of what you need with a perfectly-curated word list created with your specific needs in mind. Find words with OS and words that start with O to expand your list some more!

15 letter words

  1. odontostomatous
  2. omoplatoscopies
  3. onychocryptoses
  4. onychocryptosis
  5. ornithomimosaur

14 letter words

  1. omphaloskepses
  2. opisthoglossal
  3. opisthotonoses
  4. opposabilities
  5. oppositenesses
  6. oppositionless
  7. ornithoscopies
  8. osteoarthroses
  9. overgenerosity

13 letter words

  1. octosyllabics
  2. oneiroscopies
  3. operosenesses
  4. orthostichies
  5. orthostichous
  6. osteofibroses
  7. osteofibrosis
  8. osteospermums
  9. otoscopically
  10. overcuriosity
  11. overdiagnoses

12 letter words

  1. octosepalous
  2. opeidoscopes
  3. ornithosaurs
  4. osteoporoses
  5. osteospermum
  6. otiosenesses
  7. otoscleroses
  8. otosclerotic
  9. outcrossings

11 letter words

  1. operosities
  2. ornithosaur
  3. ouroscopies

10 letter words

  1. octostyles
  2. oedematose
  3. ornithoses
  4. osmidroses
  5. osteosises
  6. otiosities

9 letter words

  1. oakmosses
  2. oncostman
  3. oncostmen
  4. oosporous
  5. opposably
  6. orthroses
  7. ossobucos
  8. ostosises
  9. ottavinos
  10. ouroscopy

8 letter words

  1. okimonos
  2. oosporic
  3. osteoses
  4. otiosely

7 letter words

  1. obentos
  2. oncosts
  3. oosiest
  4. ostoses

6 letter words

  1. oosier

5 letter words

  1. ooses
  2. orzos

4 letter words

  1. obos
  2. onos
  3. oosy

3 letter words