Mayhem
Part of speech: noun
Definition: a general physical disturbance; a crowd tussle or fight. a state of disorder; chaos The crime of willfully maiming or injuring a person.
Example sentence: If you intend to use our beautiful city to cause mayhem, disturb the peace, create fear and commit violence, you are not welcome here.
Havoc
Part of speech: noun
Definition: devastationmayhem
Part of speech: verb
Definition: to pillage.to cause havoc
Example sentence: Like Jesus, every human being has enough memories in his past to occupy his time and thoughts continually. It is not the remembrance of these incidents but the reliving of them that creates havoc in our souls.