What It Scores
GRANDPA is a valid word in the tournament list this site uses. Tile values only, before any premium square: 11 in Scrabble and 13 in Words With Friends. The letters break down as G2 R1 A1 N1 D2 P3 A1.
At seven letters this plays a whole rack, which is a bingo and worth 61 in Scrabble once the 50 point bonus lands.
Words Made From The Letters In GRANDPA
71 shorter words come out of these tiles. On a board that matters more than the long play, because a short word on a premium square often beats a long one on plain squares.
6 letter words (5)
5 letter words (12)
4 letter words (26)
AGARANGAARNAARPADANGDARGDARNDRAGDRAPGNARGRADGRANNADANAGANAPANARDPAANPANDPANGPARAPARDPRADRAGARANARANDRANG
3 letter words (20)
2 letter words (8)
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.