hamper vs voider

hamper and voider both are nouns.

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

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

hamper: a basket usually with a cover
voider: a hamper that holds dirty clothes to be washed or wet clothes to be dried

Other hyponyms of hamper include clothes basket, clothes hamper, laundry basket, food hamper.

hamper (noun)	voider (noun)
a basket usually with a cover	a hamper that holds dirty clothes to be washed or wet clothes to be dried
a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)	a piece of chain mail covering a place unprotected by armor plate
	an official who can invalidate or nullify
	a person who defecates

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