RAILCARS is a playable word

railcar Scrabble® Dictionary

noun
pl. railcars
a railroad car
97 Playable Words can be made from "RAILCARS"
   2-Letter Words (9 found)
   3-Letter Words (23 found)
   6-Letter Words (7 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)