custom vs sexual activity

custom and sexual activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
custom	Yes	Yes	No	No
sexual activity	Yes	No	No	No

custom (noun)	sexual activity (noun)
accepted or habitual practice	activities associated with sexual intercourse
habitual patronage
a specific practice of long standing
money collected under a tariff

custom (adjective)	sexual activity (adjective)
made according to the specifications of an individual