Mohammed vs Muhammad

Mohammed and Muhammad both are nouns.

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

As nouns, Mohammed and Muhammad are synonyms defined as:

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

Other synonyms of Mohammed include Mahomet, Mahound, Mohammad.

Mohammed (noun)	Muhammad (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)