Malice prepense and Malice aforethought

Malice aforethought and malice prepense are semantically related in planning to act topic. In some cases you can use "Malice aforethought" instead a noun phrase "Malice prepense".

Malice aforethought noun - (law) criminal intent; the thoughts and intentions behind a wrongful act (including knowledge that the act is illegal); often at issue in murder trials.

Malice prepense and malice aforethought are semantically related in with intent topic. You can use "Malice prepense" instead the phrase "Malice aforethought" as an adverb or a noun.