Careful Words

triplex (n.)

deltoid
tern
ternal
ternary
ternate
three
treble
trial
trine
triple
triplicate

triplex (adj.)

deltoid
fan-shaped
tern
ternal
ternary
ternate
three
three-ply
threefold
treble
trial
triangular
trinal
trine
triple
triune