Synonyms and related words :
algorismic, algorithmic, aliquot, ally, alter ego, alternate, analogon, analogous, analogue, answering, associate, associated, back-and-forth, beating, brother, cardinal, changeable, circling, close copy, close match, coacting, coactive, coadjutant, coadjuvant, coefficient, coequal, cognate, collaborative, collective, collectivist, collectivistic, collusive, combined, commensal, common, communal, communalist, communalistic, communist, communistic, communitarian, commutable, commutative, commutual, companion, compensatory, complement, complemental, complementary, concerted, concordant, concurrent, concurring, congenator, congener, conjoint, conniving, convertible, cooperant, cooperating, cooperative, coordinate, correlate, correlative, correspondent, corresponding, counterpart, cyclic, decimal, differential, digital, double, duplicate, ecumenic, epochal, equal, equalizing, equipollent, equivalent, even, every other, exchanged, exponential, fellow, figural, figurate, figurative, finite, fractional, general, give-and-take, harmonious, harmonized, homologous, image, imaginary, impair, impossible, in common, infinite, integral, interchangeable, interchanged, intermittent, irrational, isochronal, joint, kindred spirit, like, likeness, logarithmic, logometric, match, mate, measured, metronomic, mutual, near duplicate, negative, noncompetitive, numeral, numerary, numerative, numeric, obverse, odd, ordinal, oscillatory, pair, parallel, pendant, periodical, permutable, picture, popular, positive, possible, prime, public, pulsing, punitive, radical, rational, real, reciprocating, reciprocative, recompensing, recompensive, recurrent, recurring, reparative, restitutive, retaliative, retaliatory, retributive, retributory, returnable, rhythmic, rotary, seasonal, second self, seesaw, serial, shared, similitude, simulacrum, sine wave, sister, social, socialistic, societal, soul mate, standard, steady, submultiple, such, suchlike, surd, swapped, switched, symbiotic, synergetic, synergic, synergistic, tally, tantamount, the like of, the likes of, to-and-fro, traded, transcendental, transposed, twin, uncompetitive, undulant, undulatory, up-and-down, wavelike, wheeling