Merriam-Webster's Collegiate Dictionary:
transsonic
transthoracic
transthoracically
transubstantial
transubstantiate
transubstantiation
transudate
transudation
transude
transuranic
transuranium
transurethral
transvaal
transvaluate
transvaluation
transvalue
transversal
transverse
transverse colon
transverse process
transverse wave
transversely
transvestism
transvestite
transvestitism
transylvania
transylvanian
transylvanian alps
trap
trap-door spider
trapani
trapdoor
trapeze
trapeze artist
trapezist
trapezium
trapezius
trapezohedron
trapezoid
trapezoidal
trapezus
trapline
trapper
trapping
trappist
traprock
traps
trapshooter
trapshooting
trapunto
trash
trash fish
trash talk
trash-talk
trash-talker
trashily
trashiness
trashman
trashy
trasimeno, lake
trattoria
traubel
trauma
trauma center
traumatic
traumatically
traumatise
traumatism
traumatization
traumatize
trav
travail
travancore
travel
travel agency
travel agent
travel bureau
travel light
travel trailer
traveled
traveler
traveler's check
traveler's diarrhea
traveling
traveling bag
traveling case
traveling fellowship
traveling salesman
travelled
traveller
travelling
travelog
travelogue
traversable
traversal
traverse
traverse jury
