mujahadein vs mujahideen

mujahadein and mujahideen both are nouns.

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

As nouns, mujahadein and mujahideen are synonyms defined as:

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

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

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