11-letter words starting with O
591 words — Scrabble scores shown
There are 591 11-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
(14)
3-letter
(45)
4-letter
(107)
5-letter
(181)
6-letter
(326)
7-letter
(618)
8-letter
(972)
9-letter
(922)
10-letter
(791)
11-letter
(591)
12-letter
(419)
13-letter
(305)
14-letter
(215)
15-letter
(159)
- oarsmanship18↗
- obfuscating19↗
- obfuscation18↗
- obfuscatory21↗
- obituarists13↗
- objectified26↗
- objectifies25↗
- objectively28↗
- objectivism27↗
- objectivist25↗
- objectivity28↗
- objurgating22↗
- objurgation21↗
- objurgatory24↗
- obligations14↗
- obliqueness22↗
- obliquities22↗
- obliterated14↗
- obliterates13↗
- obliterator13↗
- obliviously19↗
- obnoxiously23↗
- obnubilated16↗
- obnubilates15↗
- obscenities15↗
- obscurantic17↗
- obscuration15↗
- obscureness15↗
- obscurities15↗
- observables18↗
- observances18↗
- observantly19↗
- observation16↗
- observatory19↗
- observingly20↗
- obsessional13↗
- obsessively19↗
- obsolescent15↗
- obsolescing16↗
- obstetrical15↗
- obstinacies15↗
- obstinately16↗
- obstructing16↗
- obstruction15↗
- obstructive18↗
- obstructors15↗
- obtainments15↗
- obtrusively19↗
- obturations13↗
- obviousness16↗
- occasioning16↗
- occipitally20↗
- occultation15↗
- occupancies19↗
- occupations17↗
- occurrences17↗
- oceanariums15↗
- oceanfronts16↗
- ochlocratic20↗
- octagonally17↗
- octahedrons17↗
- octapeptide18↗
- odontoblast14↗
- odoriferous15↗
- odorousness12↗
- oecumenical17↗
- offenseless17↗
- offensively23↗
- offertories17↗
- offhandedly25↗
- officialdom22↗
- officialese19↗
- officialism21↗
- officiaries19↗
- officiating20↗
- officiation19↗
- officiously22↗
- offprinting20↗
- offscouring20↗
- oligarchies17↗
- oligochaete17↗
- oligoclases14↗
- oligopolies14↗
- ominousness13↗
- omnifarious16↗
- omnipotence17↗
- omnipotents15↗
- omnipresent15↗
- omniscience17↗
- oncogeneses14↗
- oncogenesis14↗
- oncological16↗
- oncologists14↗
- oneirically16↗
- oneiromancy18↗
- onerousness11↗
- ongoingness13↗
- onomatology17↗
- ontogeneses12↗
- ontogenesis12↗
- ontogenetic14↗
- ontological14↗
- ontologists12↗
- opalescence17↗
- openability18↗
- openhearted17↗
- openmouthed19↗
- operability18↗
- operagoings15↗
- operational13↗
- operatively19↗
- operculated16↗
- operettists13↗
- operoseness13↗
- ophthalmias21↗
- opinionated14↗
- opportunely18↗
- opportunism17↗
- opportunist15↗
- opportunity18↗
- oppositions15↗
- oppressions15↗
- opprobrious17↗
- opprobriums19↗
- opsonifying20↗
- optionality16↗
- optokinetic19↗
- optometries15↗
- optometrist15↗
- oracularity16↗
- orangewoods16↗
- orbicularly18↗
- orchardists17↗
- orchestrate16↗
- ordainments14↗
- orderliness12↗
- ordinariest12↗
- ordinations12↗
- ordonnances14↗
- organically17↗
- organicisms16↗
- organicists14↗
- organizable23↗
- orientalism13↗
- orientalist11↗
- orientalize20↗
- orientating12↗
- orientation11↗
- originality15↗
- originating13↗
- origination12↗
- originative15↗
- originators12↗
- ornamentals13↗
- ornamenting14↗
- ornithology18↗
- ornithopods17↗
- ornithopter16↗
- orographies17↗
- orphanhoods20↗
- orthocenter16↗
- orthoclases16↗
- orthodontia15↗
- orthodontic17↗
- orthodoxies22↗
- orthoepists16↗
- orthography23↗
- orthonormal16↗
- orthopaedic19↗
- orthopedics19↗
- orthopedist17↗
- orthopteran16↗
- orthoscopic20↗
- orthostatic16↗
- oscillating14↗
- oscillation13↗
- oscillators13↗
- oscillatory16↗
- oscillogram16↗
- osculations13↗
- osmiridiums16↗
- osmometries15↗
- osmotically18↗
- ostensively17↗
- ostensorium13↗
- ostentation11↗
- osteoblasts13↗
- osteoclasts13↗
- osteologies12↗
- osteologist12↗
- osteopathic18↗
- osteoplasty16↗
- ostracising14↗
- ostracizing23↗
- ostracoderm16↗
- ostrichlike20↗
- othernesses14↗
- otherwhiles20↗
- otherworlds18↗
- ototoxicity23↗