Joplin vs Scott Joplin

Joplin and Scott Joplin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Joplin	Yes	No	No	No
Scott Joplin	Yes	No	No	No

As nouns, Joplin and Scott Joplin are synonyms defined as:

Joplin and Scott Joplin: United States composer who was the first creator of ragtime to write down his compositions (1868-1917)

Joplin (noun)	Scott Joplin (noun)
United States composer who was the first creator of ragtime to write down his compositions (1868-1917)	United States composer who was the first creator of ragtime to write down his compositions (1868-1917)
United States singer who died of a drug overdose at the height of her popularity (1943-1970)