THWAP is a playable word

thwap Scrabble® Dictionary

verb
thwapped, thwapping, thwaps
to hit with a loud sound
26 Playable Words can be made from "THWAP"
   2-Letter Words (6 found)
   3-Letter Words (14 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)