Crochet stitch and Single stitch

Crochet stitch noun - Any one of a number of stitches made by pulling a loop of yarn through another loop with a crochet needle.

Single stitch and crochet stitch are semantically related. In some cases you can replace phrase "Single stitch" with "Crochet stitch", this phrases are similar.

Single stitch noun - A crochet stitch.

Crochet stitch and single stitch are semantically related. You can use "Crochet stitch" instead a noun phrase "Single stitch".