nut vs eccentric person

nut and eccentric person both are nouns.

Word	Noun	Adjective	Verb	Adverb
nut	Yes	No	Yes	No
eccentric person	Yes	No	No	No

As nouns, eccentric person is a hypernym of nut; that is, eccentric person is a word with a broader meaning than nut:

Other hypernyms of nut include eccentric, flake, geek, oddball.

nut (noun)	eccentric person (noun)
a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt	a person with an unusual or odd personality
one of the two male reproductive glands that produce spermatozoa and secrete androgens
someone who is so ardently devoted to something that it resembles an addiction
a whimsically eccentric person
usually large hard-shelled seed
half the width of an em

nut (verb)	eccentric person (verb)
gather nuts