Nightcrawler and 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. In some cases you can replace phrase "Night walker" with "Nightcrawler", this terms are similar.

Nightcrawler and night walker are semantically related. You can use "Nightcrawler" instead a noun phrase "Night walker".