imposter vs faker

imposter and faker both are nouns.

Word	Noun	Adjective	Verb	Adverb
imposter	Yes	No	No	No
faker	Yes	No	No	No

As nouns, imposter and faker are synonyms defined as:

Other synonyms of imposter include fake, fraud, impostor, pretender, pseud, pseudo, role player, sham, shammer.

imposter (noun)	faker (noun)
a person who makes deceitful pretenses	a person who makes deceitful pretenses