WHOOF is a playable word

whoof Scrabble® Dictionary

verb
whoofed, whoofing, whoofs
to make a deep snorting sound
18 Playable Words can be made from "WHOOF"
   2-Letter Words (5 found)
   3-Letter Words (9 found)
   4-Letter Words (3 found)
   5-Letter Words (1 found)