• Czech: protějšek
• Finnish: vastine
• German: Ebenbild
• Hungarian: hasonmás

• Finnish: vastakappale, vastinkappale
• German: Gegenstück, Pendant

• ttbc Dutch: tegenhanger
• ttbc French: homologue

Counterparts can refer to:

• Counterparts (album), an album by Rush
• "Counterparts", a short story from Dubliners by James Joyce
• Counterparts, novel written by the American writer and filmmaker Gonzalo Lira
• Counterparts, a jazz & pop a balls group at the University of Pennsylvania
• Counterpart theory a philosophical theory based on identity as a contingent relation.
• In law, a contract where the different parties' signatures appear on separate copies is said to have been signed in "counterparts".

ally, alter ego, analogon, analogue, associate, brother, clone, close copy, close match, coequal, cognate, companion, compeer, complement, congenator, congener, coordinate, correlate, correlative, correspondent, ditto, double, dupe, duplicate, duplication, each other, equal, equipollent, equivalent, facsimile, fellow, image, kindred spirit, like, likeness, match, mate, model, near duplicate, obverse, one another, opposite number, parallel, peer, pendant, picture, quadruplicate, reciprocal, reciprocatist, reciprocator, repetition, replica, replication, representation, reproduction, rival, second self, similitude, simulacrum, sister, soul mate, such, suchlike, tally, the like of, the likes of, triplicate, twin, vis-a-vis