hold up vs rob

hold up and rob both are verbs.

Word	Noun	Adjective	Verb	Adverb
hold up	No	No	Yes	No
rob	No	No	Yes	No

As verbs, rob is a hypernym of hold up; that is, rob is a word with a broader meaning than hold up:

hold up (verb)	rob (verb)
cause to be slowed down or delayed	take something away by force or without the consent of the owner
be the physical support of; carry the weight of	rip off; ask an unreasonable price
hold up something as an example; hold up one's achievements for admiration
rob at gunpoint or by means of some other threat
continue to live and avoid dying
resist or withstand wear, criticism, etc.
resist or confront with resistance