OVERFLOWING is a playable word

overflow Scrabble® Dictionary

verb
overflowed, overflown, overflowing, overflows
to flow over the top of
411 Playable Words can be made from "OVERFLOWING"
   2-Letter Words (23 found)
   3-Letter Words (77 found)
   9-Letter Words (3 found)
   11-Letter Words (1 found)