utterer vs cheater

utterer and cheater both are nouns.

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

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

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

utterer (noun)	cheater (noun)
someone who expresses in language; someone who talks (especially someone who delivers a public speech or someone especially garrulous)	someone who leads you to believe something that is not true
someone who circulates forged banknotes or counterfeit coins
an organism that can utter vocal sounds