HIATAL is a playable word

hiatus Scrabble® Dictionary

noun
pl. hiatuses
a gap or missing section
(adjective) hiatal
40 Playable Words can be made from "HIATAL"
   2-Letter Words (12 found)
   3-Letter Words (14 found)
   4-Letter Words (10 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)