halt vs arrest

halt and arrest both are nouns.

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

As nouns, halt and arrest are synonyms defined as:

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

As verbs, halt and arrest are synonyms defined as:

Other synonyms of halt include hold.

halt (noun)	arrest (noun)
an interruption or temporary suspension of progress or movement	the act of apprehending (especially apprehending a criminal)
the event of something ending	the state of inactivity following an interruption
the state of inactivity following an interruption

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

halt (verb)	arrest (verb)
stop the flow of a liquid	hold back, as of a danger or an enemy; check the expansion or influence of
come to a halt, stop moving	take into custody
cause to come to an abrupt stop	attract and fix
stop from happening or developing	cause to come to an abrupt stop