Spillage (noun)

A quantity of something that has been spilled, especially accidentally.

Origin:

Middle english spil age, from spill (verb) + -age.

Examples:

1. The spillage of oil caused a major ecological disaster.
2. There was a spillage of chemicals in the lab yesterday.
3. He tried to contain the spillage of red wine on the carpet.
4. The spillage of water from the broken pipe was severe.
5. The spillage of milk from the carton made a mess in the kitchen.