Synonyms of impostors

1 Syllable
fraud, fake, quack, sham, cheat
2 Syllables
pseudo, bluffer, phony, actor, trickster, faker, mimic, mocker, scorner, shyster, sharper
3 Syllables
four-flusher, mountebank, empiric, deceiver, charlatan, pretender, beguiler
4 Syllables
imitator, hypocrite, masquerader, pettifogger
5 Syllables
impersonator