Muslimism vs Salafism

Muslimism and Salafism both are nouns.

Word	Noun	Adjective	Verb	Adverb
Muslimism	Yes	No	No	No
Salafism	Yes	No	No	No

As nouns, Salafism is a hyponym of Muslimism; that is, Salafism is a word with a more specific, narrower meaning than Muslimism:

Muslimism: 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
Salafism: a militant group of extremist Sunnis who believe themselves the only correct interpreters of the Koran and consider moderate Muslims to be infidels; seek to convert all Muslims and to insure that its own fundamentalist version of Islam will dominate the world

Other hyponyms of Muslimism include Mahdism, Salafi movement, Shiism, Wahabism, Wahhabism, Alawism, Ash'arism.

Muslimism (noun)	Salafism (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	a militant group of extremist Sunnis who believe themselves the only correct interpreters of the Koran and consider moderate Muslims to be infidels; seek to convert all Muslims and to insure that its own fundamentalist version of Islam will dominate the world
the civilization of Muslims collectively which is governed by the Muslim religion