SNOWBALLING is a playable word

snowball Scrabble® Dictionary

verb
snowballed, snowballing, snowballs
to increase at a rapidly accelerating rate
483 Playable Words can be made from "SNOWBALLING"
   2-Letter Words (26 found)
   3-Letter Words (85 found)
   8-Letter Words (6 found)
   9-Letter Words (1 found)
   11-Letter Words (1 found)