charlatan vs deceiver

charlatan and deceiver both are nouns.

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

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

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

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

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