mujahadin vs mujahadein

mujahadin and mujahadein both are nouns.

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

As nouns, mujahadin and mujahadein are synonyms defined as:

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

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

mujahadin (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