hold water vs hold up

hold water and hold up both are verbs.

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

As verbs, hold water and hold up are synonyms defined as:

Other synonyms of hold water include stand up.

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

Other hypernyms of hold water include endure, go, hold out, last, live, live on, survive.

hold water (verb)	hold up (verb)
resist or withstand wear, criticism, etc.	cause to be slowed down or delayed
	be the physical support of; carry the weight of
	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