Crochet stitch and Double 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.

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

Double stitch noun - A kind of crochet stitch.

Crochet stitch and double stitch are semantically related. You can use "Crochet stitch" instead a noun phrase "Double stitch".