You can make 162 valid words from the letters in LAUNCHPAD using the Scrabble US/CAN dictionary.
How many points is LAUNCHPAD worth in Scrabble?
LAUNCHPAD is worth 17 points in Scrabble (US/CAN) and 21 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.