謀殺 (ぼうさつ) uses the on'yomi readings. 謀 (ぼう) means scheme/conspire, and 殺 (さつ) means kill. This term specifically refers to premeditated murder or assassination, where the act of killing is planned in advance. Incorrect readings might mispronounce 謀 as ほう (ほうさつ) or drop the final 'つ' from 殺 (ぼうさ).

謀殺（ぼうさつ）は、謀（ぼう）と殺（さつ）の音読みで、計画的かつ意図的に人を殺すこと、つまり計画殺人を指します。特に暗殺のニュアンスも持ちます。ほうさつやぼうさなど、読み間違いに注意しましょう。