pause vs halt

pause and halt both are nouns.

Word	Noun	Adjective	Verb	Adverb
pause	Yes	No	Yes	No
halt	Yes	Yes	Yes	No

As nouns, halt is a hyponym of pause; that is, halt is a word with a more specific, narrower meaning than pause:

Other hyponyms of pause include break, recess, respite, time out, falter, faltering, hesitation, waver, intermission, freeze.

pause (noun)	halt (noun)
temporary inactivity	an interruption or temporary suspension of progress or movement
a time interval during which there is a temporary cessation of something	the event of something ending
	the state of inactivity following an interruption

pause (adjective)	halt (adjective)
	disabled in the feet or legs

pause (verb)	halt (verb)
cease an action temporarily	stop the flow of a liquid
interrupt temporarily an activity before continuing	come to a halt, stop moving
	cause to come to an abrupt stop
	stop from happening or developing