counterfeit

nouns

a copy that is represented as the original

verbs

make a copy of with the intent to deceive
"he faked the signature"; "they counterfeited dollar bills"; "She forged a Green Card"
is derived from

adjectives

not genuine; imitating something superior
"counterfeit emotion"; "counterfeit money"; "counterfeit works of art"; "a counterfeit prince"
antonym