Moss Hart vs Hart

Moss Hart and Hart both are nouns.

Word	Noun	Adjective	Verb	Adverb
Moss Hart	Yes	No	No	No
Hart	Yes	No	No	No

As nouns, Moss Hart and Hart are synonyms defined as:

Moss Hart and Hart: United States playwright who collaborated with George S. Kaufman (1904-1961)

Moss Hart (noun)	Hart (noun)
United States playwright who collaborated with George S. Kaufman (1904-1961)	United States lyricist who collaborated with Richard Rodgers (1895-1943)
	United States playwright who collaborated with George S. Kaufman (1904-1961)
	a logarithmic unit which measures information or entropy, based on base 10 logarithms and powers of 10.