nut vs palm nut

nut and palm nut both are nouns.

Word	Noun	Adjective	Verb	Adverb
nut	Yes	No	Yes	No
palm nut	Yes	No	No	No

As nouns, palm nut is a hyponym of nut; that is, palm nut is a word with a more specific, narrower meaning than nut:

Other hyponyms of nut include edible nut, cedar nut, cembra nut, cola nut, kola nut, mast, palm kernel, nutlet.

nut (noun)	palm nut (noun)
a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt	seed of any oil palm
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)	palm nut (verb)
gather nuts