Celtis vs dicot genus

Celtis and dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Celtis	Yes	No	No	No
dicot genus	Yes	No	No	No

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

Celtis: large genus of trees and shrubs with berrylike fruit
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Celtis include magnoliopsid genus.

Celtis (noun)	dicot genus (noun)
large genus of trees and shrubs with berrylike fruit	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination