metier vs plus

metier and plus both are nouns.

Word	Noun	Adjective	Verb	Adverb
metier	Yes	No	No	No
plus	Yes	Yes	No	No

As nouns, plus is a hypernym of metier; that is, plus is a word with a broader meaning than metier:

Other hypernyms of metier include asset.

metier (noun)	plus (noun)
an occupation for which you are especially well suited	the arithmetic operation of summing; calculating the sum of two or more numbers
an asset of special worth or utility	a useful or valuable quality

metier (adjective)	plus (adjective)
	on the positive side or higher end of a scale
	involving advantage or good