Muhammad vs Mahound

Muhammad and Mahound both are nouns.

Word	Noun	Adjective	Verb	Adverb
Muhammad	Yes	No	No	No
Mahound	Yes	No	No	No

As nouns, Muhammad and Mahound are synonyms defined as:

Muhammad and Mahound: the Arab prophet who, according to Islam, was the last messenger of Allah (570-632)

Other synonyms of Muhammad include Mahomet, Mohammad, Mohammed.

Muhammad (noun)	Mahound (noun)
the Arab prophet who, according to Islam, was the last messenger of Allah (570-632)	the Arab prophet who, according to Islam, was the last messenger of Allah (570-632)
leader of Black Muslims who campaigned for independence for Black Americans (1897-1975)