Lophosoriaceae vs fern family

Lophosoriaceae and fern family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lophosoriaceae	Yes	No	No	No
fern family	Yes	No	No	No

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

Lophosoriaceae (noun)	fern family (noun)
very small family of tree ferns	families of ferns and fern allies