physiognomy vs visage

physiognomy and visage both are nouns.

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

As nouns, physiognomy and visage are synonyms defined as:

physiognomy and visage: 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, smiler.

physiognomy (noun)	visage (noun)
the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)	the appearance conveyed by a person's face
	the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)