You can make 165 valid words from the letters in ACDDEIJNU using the Scrabble US/CAN dictionary.
How many points is ACDDEIJNU worth in Scrabble?
ACDDEIJNU is worth 20 points in Scrabble (US/CAN) and 25 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.