Dodonaea vs dicot genus

Dodonaea and dicot genus both are nouns.

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

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

Dodonaea: a genus of tropical shrub or tree
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Dodonaea include magnoliopsid genus.

Dodonaea (noun)	dicot genus (noun)
a genus of tropical shrub or tree	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination