knitting stitch vs stitch

knitting stitch and stitch both are nouns.

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

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

knitting stitch: a stitch taken in knitting
stitch: a link or loop or knot made by an implement in knitting, crocheting, embroidery, or sewing

knitting stitch (noun)	stitch (noun)
a stitch taken in knitting	a link or loop or knot made by an implement in knitting, crocheting, embroidery, or sewing
	a sharp spasm of pain in the side resulting from running

knitting stitch (verb)	stitch (verb)
	fasten by sewing; do needlework