drawing pin vs paper fastener

drawing pin and paper fastener both are nouns.

Word	Noun	Adjective	Verb	Adverb
drawing pin	Yes	No	No	No
paper fastener	Yes	No	No	No

As nouns, paper fastener is a hypernym of drawing pin; that is, paper fastener is a word with a broader meaning than drawing pin:

drawing pin: a tack for attaching papers to a bulletin board or drawing board
paper fastener: a fastener for holding a sheet of paper in place

Other hypernyms of drawing pin include tack.

drawing pin (noun)	paper fastener (noun)
a tack for attaching papers to a bulletin board or drawing board	a fastener for holding a sheet of paper in place