RAILER is a playable word

railer Scrabble® Dictionary

noun
pl. railers
one that rails
47 Playable Words can be made from "RAILER"
   2-Letter Words (9 found)
   3-Letter Words (15 found)
   4-Letter Words (19 found)
   5-Letter Words (2 found)
   6-Letter Words (2 found)