smiler vs kisser

smiler and kisser both are nouns.

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

As nouns, smiler and kisser are synonyms defined as:

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

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

smiler (noun)	kisser (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)
a person who smiles	someone who kisses