group Amentiferae vs Hamamelidae

group Amentiferae and Hamamelidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
group Amentiferae	Yes	No	No	No
Hamamelidae	Yes	No	No	No

group Amentiferae (noun)	Hamamelidae (noun)
used in some classification systems for plants that bear catkins	a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder