Declan

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The Japanese word

敗戦

is pronounced
haisen | はいせん
means
losing a war
Examples:
第二次世界大戦が終結し、1948年ロンドンでオリンピックが再開されたが、敗戦国のドイツ・日本は、招待されなかった。
dai ni ji sekai taisen ga shūketsu shi, 1948 nen rondon de orinpikku ga saikai sa re ta ga, haisen koku no doitsu . nippon wa, shōtai sa re nakatta.
World War II ended and the Olympics were revived in 1948 in London, but the losing countries of the war, Germany and Japan, were not invited.
Examples sourced from tatoeba.org