RATAPLAN is a playable word

rataplan Scrabble® Dictionary

verb
rataplanned, rataplanning, rataplans
to make a rapidly repeating sound
75 Playable Words can be made from "RATAPLAN"
   2-Letter Words (9 found)
   3-Letter Words (22 found)
   5-Letter Words (12 found)
   6-Letter Words (7 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)