Bloodshed (noun)

1. The shedding of blood or the violent death of a large number of people.
2. Violence or killing, especially during war or conflict.

Origin:

From the late 15th century, "bloodshed" is a compound of "blood" and "shed", meaning "to shed blood".

Examples:

1. The war resulted in massive bloodshed.
2. The government's crackdown on the opposition led to a great deal of bloodshed.
3. The terrorist attacks caused a lot of bloodshed.
4. The battle was one of the bloodiest in the history of the war.
5. The massacre resulted in a great deal of bloodshed.