pyromania
compulsion or obsession with setting fires
Root
- pyro: fire
Other words with the pyro root
- pyroclastic: made of hot volcanic fragments
- pyrotechnics: fireworks or the craft of controlled fire displays
Pyro gives fire. Pyromania is fire-obsession, with mania adding the driven mental force.
The detective suspected pyromania after the same pattern appeared at three fires.
Pyromania is useful as a clear pyro word. It should not be used casually for liking candles; the word points to a serious compulsion involving fire.