-sunuz

== Azerbaijani == === Verb === -sunuz Form of -siniz after the vowels O / U. == Turkish == === Suffix === -sunuz Suffix of verb "to be" for subject "you" (formal or plural). Yorgunsunuz. ― You are tired. ==== Usage notes ==== It's used when the word's last vowel is one of "o" or "u". It could be "-sünüz", "-siniz", "-sınız" according to the last vowel of the word. While talking about you (singular) or you (informal), it becomes "-sun"