stick up vs assault

stick up is not a noun while assault is a noun.

Word	Noun	Adjective	Verb	Adverb
stick up	No	No	Yes	No
assault	Yes	No	Yes	No

stick up (noun)	assault (noun)
	close fighting during the culmination of a military attack
	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

stick up (verb)	assault (verb)
defend against attack or criticism	attack in speech or writing
rob at gunpoint or by means of some other threat	attack someone physically or emotionally
	force (someone) to have sex against their will