HAPPIS is a playable word

happi Scrabble® Dictionary

noun
pl. happis
a loose Japanese coat
51 Playable Words can be made from "HAPPIS"
   2-Letter Words (10 found)
   3-Letter Words (22 found)
   4-Letter Words (13 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)