Cicuta vs rosid dicot genus

Cicuta and rosid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cicuta	Yes	No	No	No
rosid dicot genus	Yes	No	No	No

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

Cicuta: small genus of perennial herbs having deadly poisonous tuberous roots: water hemlock
rosid dicot genus: a genus of dicotyledonous plants

Cicuta (noun)	rosid dicot genus (noun)
small genus of perennial herbs having deadly poisonous tuberous roots: water hemlock	a genus of dicotyledonous plants