ar·son 
/ˈɑɚsn̩/ noun
plural ar·sons /ˈɑɚsn̩/ noun : the illegal burning of a building or other property : the crime of setting fire to something [noncount] ▪ The cause of the fire has not yet been determined, but investigators suspect arson. ▪ The town has suffered a rash of arson attacks. [count] ▪ The town has suffered a rash of arsons.
— ar·son·ist /ˈɑɚsn̩ɪst/ noun, plural ar·son·ists [count]
▪ Investigators suspect that the fire was set by an arsonist.
/ˈɑɚsn̩ɪst/ noun, plural ar·son·ists [count] ▪ Investigators suspect that the fire was set by an arsonist.
