physiognomy vs colloquialism

physiognomy and colloquialism both are nouns.

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

physiognomy (noun)	colloquialism (noun)
the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)	a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech