You can make 267 valid words from the letters in KEYSTROKE using the Scrabble US/CAN dictionary.
How many points is KEYSTROKE worth in Scrabble?
KEYSTROKE is worth 20 points in Scrabble (US/CAN) and 19 points in Words With Friends.
How do I use the Word Unscrambler tool?
Enter any letters into the input box and press Search. The tool will return every valid English word that can be made from those letters using the dictionary you select.