gusset vs inset

gusset and inset both are nouns.

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

As nouns, gusset and inset are synonyms defined as:

gusset and inset: a piece of material used to strengthen or enlarge a garment

gusset (noun)	inset (noun)
a piece of material used to strengthen or enlarge a garment	a piece of material used to strengthen or enlarge a garment
a metal plate used to strengthen a joist	an artifact that is inserted or is to be inserted
a piece of chain mail covering a place unprotected by armor plate	a small picture inserted within the bounds or a larger one

gusset (verb)	inset (verb)
	set or place in