hold water vs stand up

hold water and stand up both are verbs.

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

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

Other synonyms of hold water include hold up.

hold water (verb)	stand up (verb)
resist or withstand wear, criticism, etc.	defend against attack or criticism
	refuse to back down; remain solid under criticism or attack
	be standing; be upright
	put into an upright position
	rise to one's feet
	rise up as in fear
	resist or withstand wear, criticism, etc.