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The Japanese word

監視

is pronounced
kanshi | かんし
means
guarding, inspection, surveillance
Examples:
ようやく各店舗に監視カメラが設置されることになった。
yōyaku kaku tenpo ni kanshi kamera ga secchi sa reru koto ni natta.
Eventually it was decided that the stores be equipped with surveillance cameras.
Examples sourced from tatoeba.org