Tailraces is a 9 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 12 points.
You can make 777 anagrams from letters in tailraces (aaceilrst).
First recorded in 1770-80; tail1 + race1
In the winter of 1863 a tailrace was cut to the river which greatly ameliorated conditions.