Synonyms to quackish
charlatan, blagueur, bluff, bluffer, charlatanic, charlatanish, fake, faker, fourflusher, fraud, horse doctor, humbug, impersonator, impostor, malingerer, medicaster, medicine man, medicine monger, mountebank, phony, poser, poseur, pretender, quack, quacksalver, quackster, ringer, saltimbanco, sham, shammer, cackle, call, carol, caw, chatter, cheep, chirk, chirp, chirr, chirrup, chitter, chuck, clack, cluck, cock-a-doodle-doo, coo, counterfeit, counterfeiter, croak, cronk, crow, cuckoo, drum, fraudulent, gabble, gaggle, gobble, guggle, honk, hoo, hoot, peep, pip, pipe, roll, scold, simulator, sing, squawk, trill, tweet, twit, twitter, warble, whistle