FLATLANDS is a playable word

flatland Scrabble® Dictionary

noun
pl. flatlands
land lacking significant variation in elevation
109 Playable Words can be made from "FLATLANDS"
   2-Letter Words (11 found)
   3-Letter Words (29 found)
   6-Letter Words (4 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)