Mahomet vs Mahound

Mahomet and Mahound both are nouns.

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

As nouns, Mahomet and Mahound are synonyms defined as:

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

Other synonyms of Mahomet include Mohammad, Mohammed, Muhammad.

Mahomet (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)