cast off vs stitch

cast off is not a noun while stitch is a noun.

Word	Noun	Adjective	Verb	Adverb
cast off	No	No	Yes	No
stitch	Yes	No	Yes	No

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

Other hypernyms of cast off include run up, sew, sew together.

cast off (noun)	stitch (noun)
	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

cast off (verb)	stitch (verb)
to remove	fasten by sewing; do needlework
make the last row of stitches when knitting