Synonyms for Comparison

Simulation
analogy approach approximation closeness community comparison	conformity correspondence identity imitation likeness	metaphor nearness parallelism parity resemblance	sameness semblance simile similitude simulation

Proxy
advocate agency alter ego alternate alternative amicus curiae analogy attorney backup barrister changeling clone comparison copyright	counterfeit deputy Doppelganger duplication equal equivalent ersatz exchange executive officer exponent fake figurehead ghost	imitation lieutenant makeshift metaphor paranymph personnel pinch hitter pleader procurator proxy replacement representative reproduction	reserves ringer second string secondary sub substitute substitution surrogate symbol third string understudy vicar vice

Copy
back number collection comparison copy	edition impression issue library	number printing regurgitate reissue	series trade book volume