Islamism vs pillar of Islam

Islamism and pillar of Islam both are nouns.

Word	Noun	Adjective	Verb	Adverb
Islamism	Yes	No	No	No
pillar of Islam	Yes	No	No	No

Islamism (noun)	pillar of Islam (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	(Islam) one of the five religious obligations accepted by all Muslims
a fundamentalist Islamic revivalist movement generally characterized by moral conservatism and the literal interpretation of the Koran and the attempt to implement Islamic values in all aspects of life