Noun, used as a suffix, Nounrival; opponent; adversary; competitor; enemy (esp. one with which there is longstanding enmity); foe · revenge · spouse

Noun, Suru verb, Intransitive verbreprisal; revenge

Nounone's rival in love

Nounretaliation; revenge

Nounbusiness rival; professional jealousy

Expressions (phrases, clauses, etc.), Nounsomeone viewed with hatred; object of one's hostility

Expressions (phrases, clauses, etc.)mortal enemy; object of fierce hatred or intense aversion; one's parent's killer

Expressions (phrases, clauses, etc.)Pardon makes offenders