tacking vs basting stitch

tacking and basting stitch both are nouns.

Word	Noun	Adjective	Verb	Adverb
tacking	Yes	No	No	No
basting stitch	Yes	No	No	No

As nouns, tacking and basting stitch are synonyms defined as:

tacking and basting stitch: a loose temporary sewing stitch to hold layers of fabric together

Other synonyms of tacking include baste, basting.

tacking (noun)	basting stitch (noun)
(nautical) the act of changing tack	a loose temporary sewing stitch to hold layers of fabric together
a loose temporary sewing stitch to hold layers of fabric together