equivalent

Synonyms: agnate akin alike analogous carbon commensurate comparable convertible copy correlative correspondent corresponding ditto duplicate equal even homologous identical indistinguishable interchangeable like of a kind parallel proportionate reciprocal same difference substitute synonymous tantamount

Antonyms: changeable different dissimilar mismatched unequal unlike

Synonyms: carbon copy correspondent dead ringer ditto like match obverse opposite parallel peer reciprocal same difference spitting image substitute twin

Antonyms: difference