Mann vs Horace Mann

Mann and Horace Mann both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mann	Yes	No	No	No
Horace Mann	Yes	No	No	No

As nouns, Mann and Horace Mann are synonyms defined as:

Mann and Horace Mann: United States educator who introduced reforms that significantly altered the system of public education (1796-1859)

Mann (noun)	Horace Mann (noun)
German writer concerned about the role of the artist in bourgeois society (1875-1955)	United States educator who introduced reforms that significantly altered the system of public education (1796-1859)
United States educator who introduced reforms that significantly altered the system of public education (1796-1859)