Melicocca vs dicot genus

Melicocca and dicot genus both are nouns.

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

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

Melicocca: tropical American trees and shrubs bearing berries
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Melicocca include magnoliopsid genus.

Melicocca (noun)	dicot genus (noun)
tropical American trees and shrubs bearing berries	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination