mujahadein vs mujahadeen

mujahadein and mujahadeen both are nouns.

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

As nouns, mujahadein and mujahadeen are synonyms defined as:

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

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

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