に対して[nitaishite] towards
に対する[nitaisuru] regarding
テロ対策[terotaisaku] anti-terrorist
安全対策[anzentaisaku] safety measure
一対[ittsui] pair

１対一[ichitaiichi] one-to-one
応対[outai] receiving
空対空[kuutaikuu] air-to-air
空対地[kuutaichi] air-to-surface
空対地ミサイル[kuutaichimisairu] air-to-surface missile

痙る[tsuru] to cramp
痙攣[keiren] convulsion
胃痙攣[ikeiren] stomach cramps
書痙[shokei] writer's cramp
抗痙攣薬[koukeirenyaku] anticonvulsant

足が痙る[ashigatsuru] to have one's leg cramp
膣痙攣[chitsukeiren] vaginismus
咬痙[koukei] lockjaw
鎮痙薬[chinkeiyaku] antispasmodic drug
鎮痙剤[chinkeizai] antispasmodic drug