Uncountable Nouns Starting with O and Containing U
Explore 369 verified English uncountable nouns starting with O and containing U, including Opportunity, Output, Occupation, Outline, Occurrence, Outdoors and Outrage. Browse these mass nouns and non-count terms for substances and concepts below, or check quantifier and measurement rules in our noun grammar guide.
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Starts with OA
1 words oakum
Starts with OB24 words
obstruction
obscurity
obfuscation
obviousness
obliviousness
obstructionism
obscuration
obduracy
obscureness
obtuseness
obnoxiousness
obloquy
obscurantism
obsequiousness
obliqueness
obliquity
obtrusion
obtrusiveness
obtusity
obstructiveness
obscurement
obturation
objurgation
obstreperousness
Starts with OC12 words
occupation
occurrence
occupancy
octopus
occult
occultism
occlusion
occultation
occupance
occultness
occurrent
occlusiveness
Starts with OD4 words
odium
odiousness
odorousness
odoriferousness
Starts with OF3 words
officiousness
offscouring
offscum
Starts with OG
2 words ogun
ogooué
Starts with OI
1 words oidium
Starts with OL10 words
olympus
oleum
oliguria
olibanum
ololiuqui
olericulture
oleaginousness
oliguresis
olluco
oligophosphaturia
Starts with OM5 words
ominousness
omnisexuality
omnivorousness
omnifariousness
ombudsmanship
Starts with ON
1 words onerousness
Starts with OP15 words
opportunity
opaque
opium
opulence
opportunism
opprobrium
opaqueness
opportuneness
oppugnancy
opprobriousness
opisthotonus
opiumism
openmouthedness
ophthalmoneuritis
opsonium
Starts with OR14 words
ordure
ormolu
organum
organophosphorus
orichalcum
origanum
orotundity
oracularity
oracularness
orbicularity
ordalium
organotherapeutics
orthobenzoquinone
oraculousness
Starts with OS14 words
osmium
osun
oshun
ossobuco
osmanthus
osmoregulation
ostentatiousness
osculation
osmund
osnaburg
ossature
ostreiculture
osmiridium
osmundine
Starts with OT
1 words otohemineurasthenia
Starts with OU24 words
output
outline
outdoors
outrage
outreach
outward
outage
outing
outsourcing
outcry
outflow
outerwear
ouster
outback
outgrowth
outlay
outwork
oud
outperformance
outstretch
outrageousness
ouzo
outgo
outspokenness
Starts with OV24 words
overturn
overuse
ovulation
overpopulation
overground
overconsumption
overabundance
overproduction
overexposure
oversupply
overburden
overindulgence
overstimulation
oversaturation
overvaluation
overmuch
overpressure
overregulation
oversubscription
overeducation
overhunting
overplus
overthrust
overutilization
Starts with OX7 words
oxus
oxtongue
oxonium
oxyuriasis
oxysulfide
oxyanthraquinone
oxyphenbutazone