napkin vs sexual practice

napkin and sexual practice both are nouns.

Word	Noun	Adjective	Verb	Adverb
napkin	Yes	No	No	No
sexual practice	Yes	No	No	No

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