cootie vs body louse

cootie and body louse both are nouns.

Word	Noun	Adjective	Verb	Adverb
cootie	Yes	No	No	No
body louse	Yes	No	No	No

As nouns, cootie and body louse are synonyms defined as:

cootie and body louse: a parasitic louse that infests the body of human beings

Other synonyms of cootie include Pediculus corporis.

cootie (noun)	body louse (noun)
a parasitic louse that infests the body of human beings	a parasitic louse that infests the body of human beings