Lythraceae vs dicot family

Lythraceae and dicot family both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lythraceae	Yes	No	No	No
dicot family	Yes	No	No	No

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

Lythraceae: herbs and shrubs and small trees with pink or purple flowers
dicot family: family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Lythraceae include magnoliopsid family.

Lythraceae (noun)	dicot family (noun)
herbs and shrubs and small trees with pink or purple flowers	family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination