Countable Nouns Starting with O and Containing TA

Browse 98 valid English countable nouns starting with O and containing TA, from Orientation, Obstacle, Outage, Orbital, Ornamental, Octave and Octagon to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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obstacle
obtainment
oblongata
obtainer
obtestation
octave
octagon
octane
occidental
occipital
octavo
octahedron
occultation
octant
occidentalism
occidentalist
octanol
occidentalization
octahedrite
octapeptide
occipitofrontalis
octad
octameter
octangle
octarchy
octastyle
octastich
octachord
octapla
Starts with OD
2 words
odontalgia
odontalgic
Starts with OF
1 words
offtake
Starts with OK
1 words
okta
Starts with OM
1 words
omittance
Starts with ON
2 words
ontake
onocentaur
operetta
optative
optant
ophthalmostatometer
orientation
oriental
orbital
ornamental
ornamentation
orangutan
orientalism
orientalist
organometallic
orientalization
orientator
organometallics
orbita
ornamentalist
orientality
ortanique
orthostat
ostentation
oscitancy
oscitation
oscitance
otaku
ottawan
ottavino
otalgia
ottava
otarine
otary
otariid
outage
outtake
outstation
outstart
outarde
overstatement
overstay
overrepresentation
overexploitation
overvoltage
overstayer
overcapitalization
overstanding
overexcitability
overstability
overexpectation
overstain
overornamentation
oversentimentality
overbrutalization
overornamentality
oxtail
oxaloacetate
oxidoreductase
oxypetalum

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