stay vs halt

stay and halt both are nouns.

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

As nouns, stay and halt are synonyms defined as:

Other synonyms of stay include arrest, check, hitch, stop, stoppage.

As verbs, halt is a hypernym of stay; that is, halt is a word with a broader meaning than stay:

Other hypernyms of stay include block, kibosh, stop.

stay (noun)	halt (noun)
continuing or remaining in a place or state	an interruption or temporary suspension of progress or movement
(nautical) brace consisting of a heavy rope or wire cable used as a support for a mast or spar	the event of something ending
a thin strip of metal or bone that is used to stiffen a garment (e.g. a corset)	the state of inactivity following an interruption
a judicial order forbidding some action until an event occurs or the order is lifted
the state of inactivity following an interruption

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

stay (verb)	halt (verb)
stay the same; remain in a certain state	stop the flow of a liquid
stop or halt	come to a halt, stop moving
overcome or allay	cause to come to an abrupt stop
fasten with stays	stop from happening or developing
be in a certain place and not leave
stop a judicial process
dwell
continue in a place, position, or situation
hang on during a trial of endurance