sweet talker vs smoothy

sweet talker and smoothy both are nouns.

Word	Noun	Adjective	Verb	Adverb
sweet talker	Yes	No	No	No
smoothy	Yes	No	No	No

As nouns, sweet talker and smoothy are synonyms defined as:

sweet talker and smoothy: someone with an assured and ingratiating manner

Other synonyms of sweet talker include charmer, smoothie.

sweet talker (noun)	smoothy (noun)
someone with an assured and ingratiating manner	someone with an assured and ingratiating manner