'Conspire' in the Bible

And Pekah son of Remaliah, his captain, doth conspire against him, and smiteth him in Samaria, in the high place of the house of the king with Argob and Arieh, and with him fifty men of the sons of the Gileadites, and he putteth him to death, and reigneth in his stead.

And the servants of Amon conspire against him, and put the king to death in his own house,