"Milk run" is a term that refers to a routine or regular task that is easy or predictable. There are several synonyms for this term, including "easy job," "simple task," or "routine chore." Other words that could be used as alternatives include "piece of cake," "cakewalk," or "effortless duty." In a work setting, this type of work may be referred to as "low-hanging fruit" or "quick wins." No matter how it's referred to, the concept remains the same - a task that is quick, easy, and can be completed without much thought or effort.