food hamper vs hamper

food hamper and hamper both are nouns.

Word	Noun	Adjective	Verb	Adverb
food hamper	Yes	No	No	No
hamper	Yes	No	Yes	No

As nouns, hamper is a hypernym of food hamper; that is, hamper is a word with a broader meaning than food hamper:

food hamper (noun)	hamper (noun)
a hamper for packing and transporting food	a basket usually with a cover
	a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)

food hamper (verb)	hamper (verb)
	prevent the progress or free movement of
	put at a disadvantage