multiple
ternal
ternary
treble
trebly
triadic
trimerous
trinary
trine
triplasian
triplasic
triple
triplicate
triply
apostolic
control
eightfold
empirical
evolutionary
fivefold
four-wire
fourfold
intrinsic
loftiest
manifold
newly-built
numerical
physiological
sacramental
tenfold
theoretical
three-hundred
three-part
three-room
three-step
three-storey
three-story
three-strand
threedimensional
transcendent
transcendental
trifold
twofold
ultimate