Leadbelly vs Lead Belly

Leadbelly and Lead Belly both are nouns.

Word	Noun	Adjective	Verb	Adverb
Leadbelly	Yes	No	No	No
Lead Belly	Yes	No	No	No

As nouns, Leadbelly and Lead Belly are synonyms defined as:

Leadbelly and Lead Belly: United States folk singer and composer (1885-1949)

Other synonyms of Leadbelly include Huddie Leadbetter, Ledbetter.

Leadbelly (noun)	Lead Belly (noun)
United States folk singer and composer (1885-1949)	United States folk singer and composer (1885-1949)