Islam vs Islamist

Islam and Islamist both are nouns.

Word	Noun	Adjective	Verb	Adverb
Islam	Yes	No	No	No
Islamist	Yes	No	No	No

Islam (noun)	Islamist (noun)
the monotheistic religious system of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran	an orthodox Muslim
the civilization of Muslims collectively which is governed by the Muslim religion	a scholar who is knowledgeable in Islamic studies