ear vs fruit

ear and fruit both are nouns.

Word	Noun	Adjective	Verb	Adverb
ear	Yes	No	No	No
fruit	Yes	No	Yes	No

As nouns, fruit is a hypernym of ear; that is, fruit is a word with a broader meaning than ear:

ear (noun)	fruit (noun)
the sense organ for hearing and equilibrium	an amount of a product
the externally visible cartilaginous structure of the external ear	the consequence of some effort or action
good hearing	the ripened reproductive body of a seed plant
attention to what is said
fruiting spike of a cereal plant especially corn

ear (verb)	fruit (verb)
	bear fruit
	cause to bear fruit