FASTBALL is a playable word

fastball Scrabble® Dictionary

noun
pl. fastballs
a type of pitch in baseball

93 Playable Words can be made from "FASTBALL"

   2-Letter Words (9 found)

   3-Letter Words (26 found)

   6-Letter Words (2 found)

   7-Letter Words (1 found)

   8-Letter Words (1 found)