RATAPLANNING is a playable word

rataplan Scrabble® Dictionary

verb
rataplanned, rataplanning, rataplans
to make a rapidly repeating sound
321 Playable Words can be made from "RATAPLANNING"
   2-Letter Words (17 found)
   8-Letter Words (7 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)
   12-Letter Words (1 found)