knit stitch vs knitting stitch

knit stitch and knitting stitch both are nouns.

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

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

knit stitch: a basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side
knitting stitch: a stitch taken in knitting

knit stitch (noun)	knitting stitch (noun)
a basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side	a stitch taken in knitting