equivalent Synonyms

tantamount isoperimetrical replaceable resembling returnable same selfsame similar similarly simulacrum simular substituent such supplanter synonym related reciprocal pursuant isotropic like locum tenens match matching mate obverse paired parallel paratactic peer pendant proportional proportionate synonymic synonymous clone doppelganger interchangeableness look-alike carbon copy opposite number metonym by comparison equal-area quid pro quo equals fifty-fifty reciprocatory substitutable analog equivalent weight