Countable Nouns Starting with O and Containing RT

Explore 107 verified English countable nouns starting with O and containing RT, including Opportunity, Overtime, Overthrow, Overturn, Outskirts, Orthodoxy and Overture. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with OF
1 words
offertory
Starts with OL
1 words
olecranarthritis
Starts with OP
2 words
opportunity
opportunist
Starts with OR24 words
orthodox
orthodoxy
orthodontist
orthography
orthotics
orthogonality
ortho
orthotic
orthopedist
orthotist
orthogonalization
ortolan
orthopod
orthorexic
orthophosphate
orthocenter
orthosis
orthoclase
ort
orthopraxy
orthoptist
orthopteran
orthopyroxene
orthoepy
Starts with OS3 words
osteoarthritic
osteoarthrosis
osteoarthropathy
Starts with OU7 words
outskirts
outskirt
outport
outsert
outstart
outporter
outpart
Starts with OV24 words
overtime
overthrow
overturn
overture
overtone
overthinker
overexertion
overtreatment
overshirt
overthrust
overtrousers
overskirt
overtrump
overtrick
overtype
overturner
overcertification
overpart
overtest
overthrower
overthwart
overtimer
overassertion
overtechnicality
Starts with OX
2 words
oxcart
oxheart

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