Words beginning with 'oo'


With a myriad of choices (188 entries), the sky's your limit.

3 letter words

  • oof
  • ooh
  • oos
  • oot

4 letter words

  • oofy
  • oohs
  • ooid
  • oons
  • oont
  • oooo
  • oops
  • oord
  • oory
  • oose
  • oots
  • ooze
  • oozy

5 letter words

  • oobit
  • oohed
  • oolak
  • oolly
  • oomph
  • oopak
  • oopod
  • oorie
  • ootid
  • oozed
  • oozes
  • oozoa

6 letter words

  • oocyst
  • oocyte
  • oodles
  • ooecia
  • oofier
  • oogamy
  • oogeny
  • ooglea
  • oogone
  • oohing
  • ooidal
  • oolite
  • oolith
  • oology
  • oolong
  • oomiac
  • oomiak
  • oompah
  • oomphs
  • oopack
  • oorali
  • oorial
  • ootids
  • ootype
  • oozier
  • oozily
  • oozing
  • oozoid

7 letter words

  • ooblast
  • oocysts
  • oocytes
  • oodlins
  • ooecial
  • ooecium
  • oofbird
  • oofiest
  • oofless
  • ooftish
  • oogloea
  • oogonia
  • oograph
  • oolakan
  • oolemma
  • oolites
  • ooliths
  • oolitic
  • oollies
  • oologic
  • oolongs
  • oomancy
  • oometer
  • oometry
  • oomiack
  • oomiacs
  • oomiaks
  • oophyte
  • oophore
  • ooplasm
  • ooplast
  • oopodal
  • oopuhue
  • ooralis
  • ooscope
  • ooscopy
  • oosperm
  • oospore
  • ootheca
  • ootwith
  • oouassa
  • ooziest
  • oozooid

8 letter words

  • ooangium
  • oocyesis
  • oocystic
  • oocystis
  • oogamete
  • oogamies
  • oogamous
  • oogenies
  • oogonial
  • oogonium
  • ookinete
  • oolachan
  • oologies
  • oologist
  • oologize
  • oomantia
  • oometric
  • oomiacks
  • oomycete
  • oophytes
  • oophytic
  • oophoric
  • oophoron
  • oosperms
  • oosphere
  • oospores
  • oosporic
  • oothecae
  • oothecal
  • ootocoid
  • ootocous
  • ooziness

9 letter words

  • ooblastic
  • oogametes
  • oogenesis
  • oogenetic
  • oogoninia
  • oogoniums
  • ookinesis
  • ookinetic
  • oolachans
  • oological
  • oologists
  • oomycetes
  • oophoroma
  • ooplasmic
  • oospheres
  • oosporeae
  • oosporous
  • oostegite

10 letter words

  • oomycetous
  • oophorauxe
  • oophoridia
  • oophoritis
  • oosporange
  • oostegitic
  • oosterbeek
  • ootocoidea
  • oozinesses

11 letter words

  • oocystaceae
  • oologically
  • oophoralgia
  • oophoridium
  • oophorocele
  • oophoropexy
  • oophorotomy
  • ooporphyrin
  • oosporangia
  • ootocoidean

12 letter words

  • oocystaceous
  • oogoniophore
  • oophorectomy
  • oophoreocele
  • oophoridiums
  • oophoromania
  • oophorostomy
  • oosporangium

13 letter words

  • oosporiferous

14 letter words

  • oophorectomies
  • oophorectomize
  • oophoromalacia
  • oophororrhaphy

15 letter words

  • oophorectomized
  • oophoroepilepsy

16 letter words

  • oophorectomizing

17 letter words

  • oophorocystectomy

18 letter words

  • oophorhysterectomy

20 letter words

  • oophorosalpingectomy

Which word that starts with 'oo' is the most popular word in the dictionary?
The most common word for your search is 'oot'.

How many words are possible to make using the combination of letters specified?
On this page of words that start with 'oo', there are 188 unique combinations that are available in total.

In Scrabble, what's the highest score possible from words which start with 'oo'?
With an enormous 188 entries, you should try 'oologize' which scores 18 points overall.

What's a strange word from all the word combinations available ?
You'll notice a handful of interesting words on this page, although our favorite word is 'ooecium'. 'Ooecium''s definition is "One of the special zooids, or cells, of Bryozoa, destined to receive and develop ova; an ovicell. See Bryozoa.", according to the English dictionary.

How many letters does the biggest word on this page consist of?
The longest word is 20 letters long, which is 'oophorosalpingectomy'.