

犬がいつか死ぬと思うと、悲しいです。
えさをあげないと、金魚が死ぬよ。
この病気で死ぬことはありますか。
"しぬ(死ぬ)" is in the lesson "Health" (Level 26), along with 12 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.