CASTAWAYS is a playable word

castaway Scrabble® Dictionary

noun
pl. castaways
an outcast
68 Playable Words can be made from "CASTAWAYS"
   2-Letter Words (7 found)
   3-Letter Words (22 found)
   5-Letter Words (11 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)