Boy scout and Policeman

Boy scout noun - A man who is considered naive.

Policeman and boy scout are semantically related In some cases you can use "Policeman" instead a noun phrase "Boy scout".

Policeman noun - A member of a force charged with law enforcement at the local level.

Boy scout and policeman are semantically related in law enforcement officer topic. Sometimes you can use "Boy scout" instead a noun "Policeman".