genus Fomes vs Polyporaceae

genus Fomes and Polyporaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Fomes	Yes	No	No	No
Polyporaceae	Yes	No	No	No

genus Fomes (noun)	Polyporaceae (noun)
genus of bracket fungi forming corky or woody perennial shelflike sporophores often of large size; includes some that cause destructive heartrot in trees	fungi that become corky or woody with age, often forming shelflike growths on trees