backstitch vs stitch

backstitch and stitch both are nouns.

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

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

Other hypernyms of backstitch include run up, sew, sew together.

backstitch (noun)	stitch (noun)
an overlapping stitch made by starting the next stitch at the middle of the preceding one	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

backstitch (verb)	stitch (verb)
do backstitches	fasten by sewing; do needlework