You can make 283 valid words from the letters in PATCHWORK using the Scrabble US/CAN dictionary.
How many points is PATCHWORK worth in Scrabble?
PATCHWORK is worth 23 points in Scrabble (US/CAN) and 24 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.