mujahadein vs mujahidin

mujahadein and mujahidin both are nouns.

Word	Noun	Adjective	Verb	Adverb
mujahadein	Yes	No	No	No
mujahidin	Yes	No	No	No

As nouns, mujahadein and mujahidin are synonyms defined as:

mujahadein and mujahidin: a military force of Muslim guerilla warriors engaged in a jihad

Other synonyms of mujahadein include mujahadeen, mujahadin, mujahedeen, mujahedin, mujahideen.

mujahadein (noun)	mujahidin (noun)
a military force of Muslim guerilla warriors engaged in a jihad	a military force of Muslim guerilla warriors engaged in a jihad