mujahidin vs mujahadein

mujahidin and mujahadein both are nouns.

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

As nouns, mujahidin and mujahadein are synonyms defined as:

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

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

mujahidin (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