assault vs sex activity

assault and sex activity both are nouns.

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

assault (noun)	sex activity (noun)
close fighting during the culmination of a military attack	activities associated with sexual intercourse
a threatened or attempted physical attack by someone who appears to be able to cause bodily harm if not stopped
the crime of forcing a person to submit to sexual intercourse against his or her will

assault (verb)	sex activity (verb)
attack in speech or writing
attack someone physically or emotionally
force (someone) to have sex against their will