In Scrabble, an exclamation mark written after a word is used to indicate its presence in the Official Tournament and Club Word List but its absence from the Official Scrabble Players Dictionary, usually because the word has been judged offensive.
The name Emin is the turkish version of arabic name Amen. This name is also popular in Azerbaijan and number of other turkic countries in Central Asia. The name means trustworthy both in arabic, turkish and Azerbaijani.
We need to determine a few things before answering this question. 1) Turkish Mehmet is -known as- the evolved version of Muhammad (the Prophet). [Also The Prophet Muhammad is called Muhammad-ul Emin (it means Muhammad the Emin one), we should keep this in mind because we must mention that name too.] The evolving process was this way: