purl stitch vs knit

purl stitch and knit both are nouns.

Word	Noun	Adjective	Verb	Adverb
purl stitch	Yes	No	Yes	No
knit	Yes	No	Yes	No

As verbs, knit is a hypernym of purl stitch; that is, knit is a word with a broader meaning than purl stitch:

Other hypernyms of purl stitch include entwine.

purl stitch (noun)	knit (noun)
a basic knitting stitch made by putting the needle through the front of the stitch from the righthand side	needlework created by interlacing yarn in a series of connected loops using straight eyeless needles or by machine
	a basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side
	a fabric made by knitting

purl stitch (verb)	knit (verb)
make with purl stitches	to gather something into small wrinkles or folds
	make (textiles) by knitting
	tie or link together