hang in vs uphold

hang in and uphold both are verbs.

Word	Noun	Adjective	Verb	Adverb
hang in	No	No	Yes	No
uphold	No	No	Yes	No

As verbs, uphold is a hypernym of hang in; that is, uphold is a word with a broader meaning than hang in:

Other hypernyms of hang in include bear on, carry on, continue, preserve.

hang in (verb)	uphold (verb)
be persistent, refuse to stop	stand up for; stick up for; of causes, principles, or ideals
	support against an opponent
	keep or maintain in unaltered condition; cause to remain or last