Here is a list of nouns that start with TR.

trace, trachea, tracing, track, tract

tractor, trade, trademark, trader, tradesmen

tradition, traditionalism, traditionalist, traffic, tragedy

trail, trailer, train, training, trainman

trait, traitor, trajectory, tramp, trampling

tramway, trance, tranquility, tranquilizer, tranquillity

transaction, transaminase, transcendence, transcript, transcription

transducer, transfer, transferee, transference, transferor

transferral, transformation, transformer, transgression, transience

transistor, transit, transition, translation, translator

translucence, translucency, transmission, transmitter, transmitting

transmutation, transom, transparency, transpiration, transport

transportation, transposition, transshipment, transvestitism, trap

trapdoor, trapezoid, trapper, trash, trauma

travel, traveler, traveller, travelogue, trawler

tray, tread, treadmill, treason, treasure

treasurer, treasury, treat, treatise, treatment

treaty, treble, tree, trek, tremor

trench, trenchermen, trend, trestle, triad

trial, triamcinolone, triangle, tribe, tribesmen

tribulation, tribunal, tribute, trick, trickle

trickster, tricolor, trifle, trill, trilogy

trim, trimester, trimming, trinket, trio

triol, trip, triphenylarsine, triphenylphosphine, triphenylstibine

triphosphopyridine, triple, triplet, triplication, tripod

tripolyphosphate, triptych, triservice, trisodium, triumph

trivia, triviality, trolley, trollop, trombonist

troop, trooper, troopship, trophy, tropidoclonion

tropocollagen, trot, trotter, troubie, trouble

troubleshooter, trough, troup, troupe, trouser

trout, truce, truck, truckdriver, trucker

trucking, truculence, true, truism, trumpet

trumpeter, trundle, trunk, trust, trustee

trusteeship, truth, try

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