GASTIGHT is a playable word

gastight Scrabble® Dictionary

adjective
not allowing gas to escape or enter
88 Playable Words can be made from "GASTIGHT"
   2-Letter Words (14 found)
   3-Letter Words (32 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)