Fagus vs hamamelid dicot genus

Fagus and hamamelid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fagus	Yes	No	No	No
hamamelid dicot genus	Yes	No	No	No

As nouns, hamamelid dicot genus is a hypernym of Fagus; that is, hamamelid dicot genus is a word with a broader meaning than Fagus:

Fagus: beeches
hamamelid dicot genus: genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins

Fagus (noun)	hamamelid dicot genus (noun)
beeches	genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins