Fraxinus vs dicot genus

Fraxinus and dicot genus both are nouns.

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

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

Fraxinus: ash
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Fraxinus include magnoliopsid genus.

Fraxinus (noun)	dicot genus (noun)
ash	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination