To pillage. / To cause havoc.

Something that crops up, or occurs unexpectedly. / A rising outcrop.

A sharp, clever answer; sarcasm. / A note or sticker attached to an existing poster to provide further information (e.g. an event is sold out), political criticism, etc.

Knowledge of or skill in the use of the sword or swordplay. / Management by the sword, military skill, or military power; military compulsion.