Night walker and Nightcrawler

Nightcrawler and night walker are semantically related. In some cases you can use "Nightcrawler" instead a noun phrase "Night walker".

Nightcrawler noun - Terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers.

Night walker and nightcrawler are semantically related. Sometimes you can replace phrase "Night walker" with "Nightcrawler", this terms are similar.