PROLONGING is a playable word

prolong Scrabble® Dictionary

verb
prolonged, prolonging, prolongs
to lengthen in duration
145 Playable Words can be made from "PROLONGING"
   2-Letter Words (12 found)
   3-Letter Words (30 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)