GEOCACHE is a playable word

geocache Scrabble® Dictionary

verb
geocached, geocaching, geocaches
to search for hidden items by using a Global Positioning System device as part of a game
45 Playable Words can be made from "GEOCACHE"
   2-Letter Words (10 found)
   3-Letter Words (17 found)
   4-Letter Words (14 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)