UPBOIL is a playable word

upboil Scrabble® Dictionary

verb
upboiled, upboiling, upboils
to boil up
30 Playable Words can be made from "UPBOIL"
   2-Letter Words (9 found)
   3-Letter Words (14 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)