FOUNTAIN is a playable word

fountain Scrabble® Dictionary

verb
fountained, fountaining, fountains
to flow like a fountain (a spring of water)
95 Playable Words can be made from "FOUNTAIN"
   2-Letter Words (18 found)
   3-Letter Words (32 found)
   5-Letter Words (9 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)