kisser vs smiler

kisser and smiler both are nouns.

Word	Noun	Adjective	Verb	Adverb
kisser	Yes	No	No	No
smiler	Yes	No	No	No

As nouns, kisser and smiler are synonyms defined as:

kisser and smiler: the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)

Other synonyms of kisser include countenance, mug, phiz, physiognomy, visage.

kisser (noun)	smiler (noun)
the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)	the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
someone who kisses	a person who smiles