Collective Nouns with ROO

Browse 13 verified English collective nouns containing the letters ROO, including Troops, Troop, Grassroots, Brood, Boardroom, Roost and Roomful. 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 B3 words
brood
boardroom
broodlet
Starts with G
1 words
grassroots
Starts with N
1 words
netroots
Starts with P
2 words
paratroops
paratroop
Starts with R4 words
roost
roomful
rookery
rootage
Starts with T
2 words
troops
troop

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