napkin vs garment

napkin and garment both are nouns.

Word	Noun	Adjective	Verb	Adverb
napkin	Yes	No	No	No
garment	Yes	No	Yes	No

As nouns, garment is a hypernym of napkin; that is, garment is a word with a broader meaning than napkin:

napkin: garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement
garment: an article of clothing

napkin (noun)	garment (noun)
a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing	an article of clothing
garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement

napkin (verb)	garment (verb)
	provide with clothes or put clothes on