HELISKI is a playable word

heliski Scrabble® Dictionary

verb
heliskied, heliskiing, heliskis
to ski downhill on mountains reached by helicopter
48 Playable Words can be made from "HELISKI"
   2-Letter Words (10 found)
   3-Letter Words (16 found)
   4-Letter Words (15 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)