Synchytriaceae vs fungus family

Synchytriaceae and fungus family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Synchytriaceae	Yes	No	No	No
fungus family	Yes	No	No	No

As nouns, fungus family is a hypernym of Synchytriaceae; that is, fungus family is a word with a broader meaning than Synchytriaceae:

Synchytriaceae (noun)	fungus family (noun)
a fungus family of order Chytridiales	includes lichen families