sex activity vs custom

sex activity and custom both are nouns.

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

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

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