Collective Nouns with RO

Browse 145 verified English collective nouns containing the letters RO, including Group, Produce, Crowd, Drove, Troops, Profession and Crop. Filter these group nouns for flocks, herds, and collections by word length below, or check subject-verb agreement rules for groups in our noun grammar guide.

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Starts with A4 words
androecium
aeroplankton
anthropomorphidae
achromobacterieae
Starts with B10 words
brotherhood
brood
boardroom
backrow
battlegroup
baronage
baronetage
broodlet
bronteana
bucerotinae
Starts with C10 words
crowd
crop
corolla
crossbench
counterorganization
centropomidae
centrosoyus
choroti
chontaquiro
chimaeroidei
Starts with D6 words
drove
downtrodden
dendrocolaptidae
deuterostomata
derotremata
dentirostres
Starts with E8 words
erotica
eavestroughing
erythron
eurotiales
elderbrotherhood
euchlorophyceae
enalyron
eurycerotidae
Starts with F5 words
frontcourt
frontbench
frontlist
faeroese
frondage
Starts with G8 words
group
grouping
grassroots
gerontocracy
groupset
genro
groupuscule
grouplet
Starts with H3 words
haplogroup
heronry
hydrocharitaceae
Starts with I
2 words
ingroup
ironsides
Starts with L
1 words
lumpenproletariat
Starts with M19 words
microbiome
microbiota
microflora
microcircuitry
microglia
macrofauna
macroglia
microfauna
microplankton
macroflora
meroplankton
macroaggregate
macrobiota
microlepidoptera
microparty
macrolepidoptera
microhymenoptera
melanochroi
macrorhamphosidae
Starts with N4 words
netroots
neuroglia
neurominority
neuromusculature
Starts with O3 words
outgroup
oligodendroglia
outcrowd
Starts with P20 words
produce
profession
prosecution
patrol
procession
proprietary
progeny
proletariat
playgroup
politburo
paratroops
proteome
professoriate
paratroop
professorate
phalacrocoracidae
procellariiformes
protonotariat
protosiphonaceae
pterostemonaceae
Starts with R11 words
royalty
roma
rout
roost
roping
roomful
rocketry
rookery
rootage
robotry
rotte
Starts with S19 words
squadron
sorority
subgroup
supergroup
sauropoda
superorganism
serogroup
sporozoa
squadrone
superorganization
subproletariat
saurornithes
sclerodermata
spherome
subprofessoriate
sclerodermataceae
sparrowdom
sphaerococcaceae
saproplankton
Starts with T9 words
troops
troop
throng
troupe
trove
troika
trousseau
troughing
troades
Starts with W
2 words
wardrobe
workgroup
Starts with Z
1 words
zosteropinae

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