Muslim vs Moslem

Muslim and Moslem both are nouns.

Word	Noun	Adjective	Verb	Adverb
Muslim	Yes	Yes	No	No
Moslem	Yes	Yes	No	No

As adjectives, Muslim and Moslem are synonyms defined as:

Other synonyms of Muslim include Islamic.

As nouns, Muslim and Moslem are synonyms defined as:

Muslim (noun)	Moslem (noun)
a believer in or follower of Islam	a believer in or follower of Islam

Muslim (adjective)	Moslem (adjective)
of or relating to or supporting Islamism	of or relating to or supporting Islamism