FLATCAR is a playable word

flatcar Scrabble® Dictionary

noun
pl. flatcars
a railroad car without sides or roof
50 Playable Words can be made from "FLATCAR"
   2-Letter Words (7 found)
   3-Letter Words (18 found)
   4-Letter Words (14 found)
   5-Letter Words (9 found)
   7-Letter Words (2 found)