The word "dep" is an abbreviation of the word "department," which refers to a specific section of an organization or institution. There are several synonyms for "dep" that can be used in its place. These synonyms include "branch," "division," "section," "sector," "unit," and "office." Each of these words is used to denote a specific area of an organization that is responsible for managing certain tasks, duties, or responsibilities. Using these synonyms can help to avoid repetition in writing and can also provide a more engaging and varied vocabulary.