Synonyms of reciprocals

1 Syllable

chum, groom, twin, pal, friend, peer, match

2 Syllables

spouse, consort, cohort, compeer, crony, buddy, bride, double, helper

3 Syllables

analog, companion, roommate, bedmate, assistant, colleague, complement, classmate, comrade, helpmate, playmate, coworker, familiar, counterpart, schoolmate, sidekick

4 Syllables

concomitant, intimate, acquaintance, coordinate, associate, reciprocal, duplicate