Junior and Moppet

Junior noun - One who is of lower rank and typically under the authority of another.

Moppet and junior are semantically related. In some cases you can use "Moppet" instead a noun "Junior".

Moppet noun - A young person who is between infancy and adulthood.

Junior and moppet are semantically related. Sometimes you can use "Junior" instead a noun "Moppet".