antipode
antipodes
antipole
antithesis
articulation
contra
converse
counter
counterbalance
countercheck
counterpoint
counterpoise
counterpole
counterterm
expression
foil
free form
homograph
homonym
homophone
inverse
lexeme
linguistic form
locution
logos
metonym
minimum free form
monosyllable
obverse
offset
opposite
opposite number
polysyllable
reverse
setoff
syllable
synonym
term
the contrary
the other side
usage
utterance
verbalism
verbum
vis-a-vis
vocable
word
direct antonym
indirect antonym
aspossible
byword
forecaster
kennings
land-surveyor
ofhow
ratingssystem
timebase
timekeeping
versioning