ARSONOUS is a playable word

arson Scrabble® Dictionary

noun
pl. arsons
the malicious or fraudulent burning of property
(adjective) arsonous
76 Playable Words can be made from "ARSONOUS"
   2-Letter Words (12 found)
   3-Letter Words (26 found)
   5-Letter Words (10 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)