assault vs stick up

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

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

assault (noun)	stick up (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

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