voider vs gusset

voider and gusset both are nouns.

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

As nouns, voider and gusset are synonyms defined as:

voider and gusset: a piece of chain mail covering a place unprotected by armor plate

voider (noun)	gusset (noun)
a hamper that holds dirty clothes to be washed or wet clothes to be dried	a piece of material used to strengthen or enlarge a garment
a piece of chain mail covering a place unprotected by armor plate	a metal plate used to strengthen a joist
an official who can invalidate or nullify	a piece of chain mail covering a place unprotected by armor plate
a person who defecates