serviette vs napery

serviette and napery both are nouns.

Word	Noun	Adjective	Verb	Adverb
serviette	Yes	No	No	No
napery	Yes	No	No	No

As nouns, napery is a hypernym of serviette; that is, napery is a word with a broader meaning than serviette:

serviette: a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing
napery: linens for the dining table

Other hypernyms of serviette include table linen.

serviette (noun)	napery (noun)
a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing	linens for the dining table