mujahadeen vs mujahadein

mujahadeen and mujahadein both are nouns.

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

As nouns, mujahadeen and mujahadein are synonyms defined as:

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

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

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