Merriam-Webster's Collegiate Dictionary:
transjordanian
transkei
transkeian
transl
translatability
translatable
translate
translation
translational
translative
translator
translatory
transliterate
transliteration
translocate
translocation
translucence
translucency
translucent
translucently
transmarine
transmembrane
transmigrate
transmigration
transmigrator
transmigratory
transmissibility
transmissible
transmission
transmissive
transmissivity
transmissometer
transmit
transmittable
transmittal
transmittance
transmitter
transmogrification
transmogrify
transmontane
transmountain
transmutable
transmutation
transmutative
transmute
transnational
transnationalism
transnatural
transoceanic
transom
transonic
transp
transpacific
transparence
transparency
transparent
transparentize
transparently
transparentness
transpersonal
transpicuous
transpierce
transpiration
transpirational
transpire
transplacental
transplacentally
transplant
transplantability
transplantable
transplantation
transplanter
transpolar
transponder
transpontine
transport
transport caf?
transportability
transportable
transportation
transportational
transporter
transposable
transposable element
transpose
transposition
transposition cipher
transpositional
transposon
transracial
transsexual
transsexualism
transsexuality
transshape
transship
transshipment
transsonic
