genus Iris vs Iridaceae

genus Iris and Iridaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Iris	Yes	No	No	No
Iridaceae	Yes	No	No	No

As nouns, Iridaceae is a hypernym of genus Iris; that is, Iridaceae is a word with a broader meaning than genus Iris:

genus Iris: large genus of perennials that develop from bulbs or rhizomes
Iridaceae: large family of usually perennial geophytic herbs with rhizomes or corms or bulbs

Other hypernyms of genus Iris include liliid monocot genus, family Iridaceae, iris family.

genus Iris (noun)	Iridaceae (noun)
large genus of perennials that develop from bulbs or rhizomes	large family of usually perennial geophytic herbs with rhizomes or corms or bulbs