This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. Plural form of causality.

"Due to the complexity of the social interaction known as war, not to mention the secrecy exercised by the various antagonists / participants embroiled in conflict it is difficult to identify "causalities" even after the war in question has ended, let alone before or during hostilities."