Paris vs plant genus

Paris and plant genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Paris	Yes	No	No	No
plant genus	Yes	No	No	No

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

Paris (noun)	plant genus (noun)
the capital and largest city of France; and international center of culture and commerce	a genus of plants
a town in northeastern Texas
(Greek mythology) the prince of Troy who abducted Helen from her husband Menelaus and provoked the Trojan War
sometimes placed in subfamily Trilliaceae