411 REFERENCE · Wiktionary
-sun
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Appendix:Variations of "sun"
Quechua
Suffix
qu suffix
First person plural inclusive future tense.
Indicates addressee as object of third person action when followed by a second person ending
rikusunki “He sees you.”
rikusunkichik "He sees you all."
Turkish
Suffix
tr suffix form
Suffix of verb "to be" for subject "you" (informal).
tr Mutlusun. 1 You are happy.
Usage notes
It's used when the word's last vowel is one of "o" or "u".
It could be "-sün", "-sin", "-sın" according to the last vowel of the word.
While talking about you (plural) or you (formal), it becomes "-sunuz"