Uncountable Nouns That Start with R

Explore 2,178 verified English uncountable nouns starting with R, including Right, Room, Real, Red, Return, Report and Rest. Browse these mass nouns and non-count terms for substances and concepts by length below, or check quantifier and measurement rules in our noun grammar guide.

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race
rain
radio
racism
random
rank
raw
rap
rail
radar
rage
ranking
rape
racing
radiation
ranch
railway
rabbit
rag
rattle
ransom
rarity
rapport
rainfall
real
red
return
report
rest
record
reason
reading
ready
relationship
research
reach
review
reference
respect
response
release
request
religion
reality
resource
responsibility
relation
representation
rhythm
rhetoric
rhyme
rhapsody
rheumatism
rhubarb
rhone
rhinoplasty
rhodium
rhinitis
rhodesia
rheum
rheumatology
rhinovirus
rhodopsin
rhythmicity
rhenium
rheology
rhabdomyolysis
rhizosphere
rhodiola
rhabdomyosarcoma
rheumatics
rhoticity
right
risk
rising
riding
ritual
ribbon
rivalry
righteousness
richmond
rinse
richness
rigor
ringing
ridicule
rigging
rigidity
ripping
riveting
ridership
rideshare
ridesharing
riddance
ricotta
rind
room
rock
rough
roman
rogers
routine
rope
rob
rolling
romance
rotation
rocket
roast
royalty
robbery
rot
robotics
routing
roaring
rom
romania
roaming
roleplay
rosemary
running
rule
russia
russian
rush
ruin
rubber
rumor
rum
rubbish
rust
rupture
rubble
rugby
rubbing
runoff
rut
rue
rumbling
ruthlessness
runtime
rustling
rudeness
rummage
rwanda
rwandan
rwenzoris
rye
ryegrass
ryukyuan
ryotwari
rypophobia
ryania
ryotwar
rytidosis

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