antipodes (n.)

• antipode
• antithesis
• antonym
• contra
• converse
• counter
• counterbalance
• countercheck
• counterpoint
• counterpoise
• foil
• frontier
• inverse
• nowhere
• obverse
• offset
• opposite
• outback
• outpost
• outskirts
• pole
• reverse
• setoff
• vis-a-vis