painter vs genus Felis

painter and genus Felis both are nouns.

Word	Noun	Adjective	Verb	Adverb
painter	Yes	No	No	No
genus Felis	Yes	No	No	No

painter (noun)	genus Felis (noun)
large American feline resembling a lion	type genus of the Felidae: true cats and most wildcats
a line that is attached to the bow of a boat and used for tying up (as when docking or towing)
an artist who paints
a worker who is employed to cover objects with paint