DOUBLE is a playable word

double Scrabble® Dictionary

verb
doubled, doubling, doubles
to make twice as great
53 Playable Words can be made from "DOUBLE"
   2-Letter Words (9 found)
   3-Letter Words (22 found)
   4-Letter Words (17 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)