antonym (n.)

• antipode
• antipodes
• antithesis
• articulation
• contra
• converse
• counter
• counterbalance
• countercheck
• counterpoint
• counterpoise
• expression
• foil
• homograph
• homonym
• homophone
• inverse
• lexeme
• locution
• logos
• metonym
• monosyllable
• obverse
• offset
• opposite
• polysyllable
• reverse
• setoff
• syllable
• synonym
• term
• usage
• utterance
• verbalism
• vis-a-vis
• vocable
• word