UMBRELLAS is a playable word

umbrella Scrabble® Dictionary

verb
umbrellaed, umbrellaing, umbrellas
to provide with an umbrella (a portable cover for protection from rain or sun)
380 Playable Words can be made from "UMBRELLAS"
   2-Letter Words (19 found)
   8-Letter Words (3 found)
   9-Letter Words (1 found)