spillage

Placing the bottle upright will not only avoid spillage but also prevent exposing more wine to oxygen since the liquid has a larger surface area when laying down.
How to keep wine fresh after opening it|Sandra Gutierrez|August 24, 2021|Popular-Science
The lid opens at the push of a button, so there’s no cap to fumble with, and I experienced none of the spillage around the opening that’s happened with other travel mugs I’ve tried.
This Zojirushi Mug Makes My Winter Walks Tolerable|Monica Burton|January 29, 2021|Eater
It will let you know when it needs to be emptied so you don’t have to worry about spillage or clogging.
Best robot vacuum: Clean up without lifting a finger|Carsen Joenk|December 18, 2020|Popular-Science
The fear of spillage was one of the reasons the administration held off arming Syrian rebels before.
U.S. on Alert for Al Qaeda Attack as Group Battles ISIS for Top Terrorist|Jamie Dettmer|July 1, 2014|DAILY BEAST

Ortiz met Felipe in November 2002 on assignment, covering a story about an oil spillage in northern Spain.
King Felipe and Queen Letizia Kiss As They Formally Take Power In Spain|Tom Sykes|June 19, 2014|DAILY BEAST
The legal spillage from the Exxon Valdez stretched all the way to 2008, when the case landed at the Supreme Court.
BP's Looming Legal Battle|Samuel P. Jacobs|May 1, 2010|DAILY BEAST
One had to manipulate cup and sponge deftly in order to avoid spillage.
Bloodletting Instruments in the National Museum of History and Technology|Audrey Davis
It had been the constant spillage of atomic waste into the upper atmosphere that had spelled ruin.
It's All Yours|Sam Merwin
They were frequently muddy because of rain and spillage of water being carried.
Our Legal Heritage, 5th Ed.|S. A. Reilly

British Dictionary definitions for spillage

spillage

/ (ˈspɪlɪdʒ) /

noun

an instance or the process of spilling

something spilt or the amount spilt

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012