8-letter words starting with O
1744 words — Scrabble scores shown
There are 1744 8-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)
- oreganos9
- oreiller8
- oreillet8
- orendite9
- oreodont9
- oreodoxa16
- oreortyx18
- oreshoot11
- orestean8
- oresteia8
- orgament11
- organdie10
- organics11
- organify15
- organing10
- organise9
- organism11
- organist9
- organity12
- organize18
- organoid10
- organons9
- organule9
- organums11
- organzas18
- orgasmic13
- orgastic11
- orgulous9
- oribatid11
- orichalc15
- oriconic12
- oricycle15
- oriental8
- oriented9
- orienter8
- oriently11
- orifices13
- oriflamb15
- origamis11
- origanum11
- origenic11
- original9
- origines9
- orillion8
- orinasal8
- orkneyan15
- orleways14
- orlewise11
- ormuzine19
- ornament10
- ornately11
- ornation8
- ornature8
- ornerier8
- ornerily11
- ornithes11
- ornithic13
- ornithol11
- ornithon11
- orogenic11
- orograph14
- orometer10
- orometry13
- oronasal8
- oronooko12
- orontium10
- orotinan8
- orotunds9
- orphancy18
- orphaned14
- orphange14
- orphanry16
- orpheist13
- orphical15
- orphreys16
- orpiment12
- orreriec10
- orreries8
- orseille8
- orseller8
- orsellic10
- ortheris11
- orthicon13
- orthidae12
- orthitic13
- orthocym18
- orthodox19
- orthoepy16
- orthopod14
- orthosis11
- orthotic13
- ortolans8
- ortstein8
- ortygian12
- ortygine12
- orunchun13
- orvietan11
- oryctics15
- oryzanin20
- oryzenin20
- oryzomys25
- oscheoma15
- oscinian10
- oscinine10
- oscitant10
- oscitate10
- osculant10
- osculate10
- osieries8
- osmatism12
- osmazome21
- osmiamic14
- osmogene11
- osmology14
- osmosing11
- osmundas11
- osnaburg11
- osnappar12
- osoberry13
- osophies13
- osophone13
- ossarium10
- ossature8
- ossetian8
- ossetine8
- ossetish11
- ossianic10
- ossicles10
- ossicula10
- ossicule10
- ossified12
- ossifier11
- ossifies11
- ossiform13
- ossypite13
- ostalgia9
- osteitic10
- osteitis8
- osteogen9
- osteoids9
- osteomas10
- osteosis8
- ostinato8
- ostiolar8
- ostioles8
- ostlerie8
- ostmarks14
- ostomies10
- ostracea10
- ostracod11
- ostracon10
- ostracum12
- ostraite8
- ostreger9
- ostreoid9
- ostsises8
- otalgias9
- otalgies9
- otariine8
- otarioid9
- otectomy15
- otherdom14
- otherest11
- otherhow17
- otherism13
- otherist11
- othinism13
- otiatric10
- otididae10
- otiosely11
- otiosity11
- otitides9
- otoconia10
- otocrane10
- otocysts13
- otodynia12
- otodynic14
- otogenic11
- otoliths11
- otolitic10
- otologic11
- otomyces15
- otopathy16
- otophone13
- otorrhea11
- otoscope12
- otoscopy15
- otosteal8
- otosteon8
- ototoxic17
- ottavino11
- ottinger9
- ottomans10
- ottomite10
- otuquian17
- ouabains10
- oudemian11
- oufought15
- oughting13
- ouistiti8