there are no suffixes in Turkish and "gayri" is a suffix used in Arabic (http://www.tdk.gov.tr/index.php?option=com_gts&arama=gts&kelime=gayri&uid=18984&guid=TDK.GTS.521f6fdb158ff7.09983388), and it doesn't even fit front/back vowel harmony (aka. big celebrity compatibility :P)