UMBRELLAING 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)
814 Playable Words can be made from "UMBRELLAING"
   2-Letter Words (29 found)
   3-Letter Words (117 found)
   9-Letter Words (2 found)
   11-Letter Words (1 found)