wait vs hold out

wait is a noun but hold out is not a noun.

Word	Noun	Adjective	Verb	Adverb
wait	Yes	No	Yes	No
hold out	No	No	Yes	No

As verbs, hold out is a hyponym of wait; that is, hold out is a word with a more specific, narrower meaning than wait:

Other hyponyms of wait include delay.

wait (noun)	hold out (noun)
the act of waiting (remaining inactive in one place while expecting something)
time during which some action is awaited

wait (verb)	hold out (verb)
look forward to the probable occurrence of	thrust or extend out
serve as a waiter or waitress in a restaurant	stand up or offer resistance to somebody or something
stay in one place and anticipate or expect something	continue to live and avoid dying
wait before acting	last and be usable
	wait uncompromisingly for something desirable