Mon+and+Mot+Mob+Mov-Period+3

Mon - warn, remind
 * premonition - a feeling that something bad or unpleasant is about to happen
 * admonish - to warn or reprimand firmly
 * mnemonic - a device such as a pattern of letters or ideas that assists in remembering something

Mot/mov/mob - move, movement
 * promote - to advance to a higher position or ranking
 * demote - to give someone a lower position or ranking
 * immobile - not moving; motionless