Tutoyer is a 7 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 10 points.
You can make 117 anagrams from letters in tutoyer (eorttuy).
1690-1700; French, to address as tu and toi (the familiar singular forms for “you” in French)
And during the sixteen months of his studentship he grew sufficiently familiar with some of his fellow-students even to tutoyer.
I was half inclined to array myself in drab, and tutoyer the first of the body I chanced to encounter in my walks abroad.
I should not have recognized her, and I don't dare to tutoyer the young lady!
And it depends a great deal upon circumstances whether it is affection or insult to tutoyer a stranger.