Countable Nouns Starting with TR and Containing OO

This list gathers 12 English countable nouns starting with TR and containing OO, such as Troops, Troop, Trooper, Troubleshooter, Trapdoor, Troopship and Trapshooter. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review singular and plural count rules.

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Starts with TRA
2 words
trapdoor
trapshooter
Starts with TRO
10 words
troops
troop
trooper
troubleshooter
troopship
troodon
troopie
troodontid
troostite
troolie

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