is a specific kind of: fasten, fix, secure.

is a broader term that covers: hem | resew | overcast | overcast | backstitch | gather, pucker, tuck | finedraw | fell | baste, tack | hemstitch | retick, tick | cast on | cast off ... show more.

entailment: conjoin, join.

derivation: sewing, stitching | sewing, stitchery | stitch | sewer | stitcher.