hemstitch vs hemstitching

hemstitch and hemstitching both are nouns.

Word	Noun	Adjective	Verb	Adverb
hemstitch	Yes	No	Yes	No
hemstitching	Yes	No	No	No

As nouns, hemstitch and hemstitching are synonyms defined as:

hemstitch and hemstitching: a stitch in which parallel threads are drawn and exposed threads are caught together in groups

hemstitch (noun)	hemstitching (noun)
embroidery similar to drawnwork	a stitch in which parallel threads are drawn and exposed threads are caught together in groups
a stitch in which parallel threads are drawn and exposed threads are caught together in groups

hemstitch (verb)	hemstitching (verb)
sew with hemstitches