What It Scores
NAPPA is a valid word in the tournament list this site uses. Tile values only, before any premium square: 9 in Scrabble and 11 in Words With Friends. The letters break down as N1 A1 P3 P3 A1.
Words Made From The Letters In NAPPA
12 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.
4 letter words (3)
3 letter words (5)
2 letter words (4)
Longer Words Containing NAPPA
NAPPA appears inside each of these, which is what makes it worth knowing as a hook.
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.