fetter vs hamper

fetter and hamper both are nouns.

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

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

fetter: a shackle for the ankles or feet
hamper: a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)

Other hypernyms of fetter include bond, shackle, trammel.

fetter (noun)	hamper (noun)
a shackle for the ankles or feet	a basket usually with a cover
	a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)

fetter (verb)	hamper (verb)
restrain with fetters	prevent the progress or free movement of
	put at a disadvantage