There is no one Word in Arabic which is the Language of Islam in any moseque which start with Mu.
If you are ferefing to Mullah, this not an Arabic or Muslims word, it's some Afagany, Pakistany, Pursian word, nothing to do with Islam, this word was never used by the prophet, or Arabs at anytime during the history of Islam.
imam.
A four letter word starting with the letter a is able.
The letter K itself is evil. Particularly to the letter R, it cuts off R's head to exist.
Waterhose is a nine letter word starting with the letter W!
A word to describe you starting with the letter c is cute.
What is an inspirational word starting with the letter E? - encouragement
A four letter word starting with J is jump or joke.
A seven letter word starting with E could be epitome.
The opposite for the word plain starting with letter f is FANCY.
Finish is another word for completion starting with the letter F.
A six letter word for a bird of prey starting with the letter R is "raptor."
Youthfulness is the longest word starting with the letter Y. It contains twelve letters.