Department of Energy and Executive department

Department of Energy noun - The federal department responsible for maintaining a national energy policy of the United States; created in 1977.

Executive department and Department of Energy are semantically related. In some cases you can use "Executive department" instead a noun phrase "Department of Energy".

Executive department noun - A federal department in the executive branch of the government of the United States.

Department of Energy and executive department are semantically related. Sometimes you can replace phrase "Department of Energy" with "Executive department", this phrases are similar.