9-letter words starting with O
1892 words — Scrabble scores shown
There are 1892 9-letter words that start with the letter O in our word list. All words are valid in standard English dictionaries and can be used in Scrabble and Words with Friends. The number shown on each word is its Scrabble point value.
2-letter
(19)
3-letter
(91)
4-letter
(201)
5-letter
(334)
6-letter
(705)
7-letter
(1196)
8-letter
(1744)
9-letter
(1892)
10-letter
(1726)
11-letter
(1373)
12-letter
(1021)
13-letter
(797)
14-letter
(598)
15-letter
(403)
- omnitonal11
- omnitonic13
- omnivores14
- omophagia17
- omophagic19
- omophoria16
- omphacine18
- omphacite18
- omphalism18
- omphalode17
- omphaloid17
- omphaloma18
- onanistic11
- onchidium17
- oncidiums14
- oncogenic14
- oncograph17
- oncologic14
- oncometer13
- oncometry16
- oncomings14
- oncostman13
- ondagraph16
- ondameter12
- ondascope14
- ondograms13
- ondograph16
- ondometer12
- ondoscope14
- oneirotic11
- onenesses9
- onerative12
- onerosity12
- onerously12
- onesigned11
- onflowing16
- oniomania11
- onionized19
- onionlike13
- onionpeel11
- onionskin13
- oniscidae12
- onlookers13
- onlooking14
- onocrotal11
- onomantia11
- onomastic13
- onomatope13
- onomatopy16
- onomatous11
- onondagan11
- onondagas11
- onopordon12
- onrushing13
- onsetting10
- onslaught13
- ontically14
- ontocycle16
- ontogenal10
- ontogenic12
- ontologic12
- ontosophy17
- onwaiting13
- onychitis17
- onychosis17
- ooblastic13
- oogametes12
- oogenesis10
- oogenetic12
- oogoninia10
- oogoniums12
- ookinesis13
- ookinetic15
- oolachans14
- oological12
- oologists10
- oomycetes16
- oophoroma16
- ooplasmic15
- oospheres14
- oosporeae11
- oosporous11
- oostegite10
- opacified17
- opacifier16
- opacifies16
- opacities13
- opalesced14
- opalesces13
- opalesque20
- opalinine11
- opalizing21
- opalotype16
- opedeldoc15
- opegrapha17
- openchain16
- openworks18
- operabily16
- operagoer12
- operantis11
- operantly14
- operatics13
- operating12
- operation11
- operative14
- operatize20
- operators11
- operatory14
- operatrix18
- operceles13
- opercular13
- opercules13
- operculum15
- operettas11
- operosely14
- operosity14
- ophidians15
- ophidioid16
- ophidious15
- ophiolite14
- ophiology18
- ophionine14
- ophiuchid20
- ophiuchus19
- ophiurida15
- ophiuroid15
- ophthalmy22
- opiliones11
- opination11
- opinative14
- opiniated12
- opiniater11
- opiniatre11
- opinional11
- opinioned12
- opiomania13
- opiophagy20
- opiparous13
- opisthion14
- opiumisms15
- opobalsam15
- opodeldoc15
- oppilated14
- oppilates13
- oppletion13
- opponency18
- opponents13
- opportune13
- opposable15
- opposites13
- oppressed14
- oppresses13
- oppressor13
- oppugnacy19
- oppugnant14
- oppugnate14
- oppugners14
- oppugning15
- opsimathy19
- opsisform16
- opsistype16
- opsonized21
- opsonizes20
- opsonogen12
- optatives14
- opthalmic18
- optically16
- opticians13
- opticists13
- optigraph17
- optimally16
- optimates13
- optimeter13
- optimised14
- optimises13
- optimisms15
- optimists13
- optimized23
- optimizer22
- optimizes22
- optionals11
- optionary14
- optionees11
- optioning12
- optoblast13
- optometer13
- optometry16
- optophone16
- opulaster11
- opulences13
- opulently14
- opuntioid12
- opuscular13
- opuscules13
- opusculum15
- oraculate11
- oraculous11
- oralities9
- oralogist10
- orangeade11