TOWBOAT is a playable word

towboat Scrabble® Dictionary

noun
pl. towboats
a tugboat
42 Playable Words can be made from "TOWBOAT"
   2-Letter Words (9 found)
   3-Letter Words (23 found)
   4-Letter Words (8 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)