Crochet stitch and Double crochet

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

Double crochet noun - A kind of crochet stitch.

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