wiggler vs squirmer

wiggler and squirmer both are nouns.

Word	Noun	Adjective	Verb	Adverb
wiggler	Yes	No	No	No
squirmer	Yes	No	No	No

As nouns, wiggler and squirmer are synonyms defined as:

Other synonyms of wiggler include wriggler.

wiggler (noun)	squirmer (noun)
terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers	one who can't stay still (especially a child)
larva of a mosquito
one who can't stay still (especially a child)