proper vs halal

proper is not a noun while halal is a noun.

Word	Noun	Adjective	Verb	Adverb
proper	No	Yes	No	No
halal	Yes	Yes	No	No

proper (noun)	halal (noun)
	(Islam) meat from animals that have been slaughtered in the prescribed way according to the shariah

proper (adjective)	halal (adjective)
marked by suitability or rightness or appropriateness	conforming to Muslim dietary laws
appropriate for a condition or purpose or occasion or a person's character, needs	proper or legitimate according to Muslim law
having all the qualities typical of the thing specified
limited to the thing specified