physiognomy vs smiler

physiognomy and smiler both are nouns.

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

As nouns, physiognomy and smiler are synonyms defined as:

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

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

physiognomy (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)
	a person who smiles