earthworm vs dew worm

earthworm and dew worm both are nouns.

Word	Noun	Adjective	Verb	Adverb
earthworm	Yes	No	No	No
dew worm	Yes	No	No	No

As nouns, earthworm and dew worm are synonyms defined as:

earthworm and dew worm: terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers

Other synonyms of earthworm include angleworm, crawler, fishing worm, fishworm, nightcrawler, nightwalker, red worm, wiggler.

earthworm (noun)	dew worm (noun)
terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers	terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers