charlatan vs cheater

charlatan and cheater both are nouns.

Word	Noun	Adjective	Verb	Adverb
charlatan	Yes	No	No	No
cheater	Yes	No	No	No

As nouns, cheater is a hypernym of charlatan; that is, cheater is a word with a broader meaning than charlatan:

charlatan: a flamboyant deceiver; one who attracts customers with tricks or jokes
cheater: someone who leads you to believe something that is not true

Other hypernyms of charlatan include beguiler, cheat, deceiver, slicker, trickster.

charlatan (noun)	cheater (noun)
a flamboyant deceiver; one who attracts customers with tricks or jokes	someone who leads you to believe something that is not true