table napkin vs sexual practice

table napkin and sexual practice both are nouns.

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

table 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