Countable Nouns Starting with TR and Containing DO

Browse 11 valid English countable nouns starting with TR and containing DO, from Trapdoor, Troubadour, Tramadol, Trazodone, Triiodothyronine, Trendoid and Tremolando to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with TRA
3 words
trapdoor
tramadol
trazodone
Starts with TRE
2 words
trendoid
tremolando
Starts with TRI
3 words
triiodothyronine
tridominium
trigonododecahedron
Starts with TRO
3 words
troubadour
troodon
troodontid

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