Measly and Scratcher

Measly adjective - So small or unimportant as to warrant little or no attention.

Scratcher and measly are semantically related In some cases you can replace term "Scratcher" with "Measly", this adjectives are similar.

Scratcher noun - A person who scratches to relieve an itch.

Measly and scratcher are semantically related in petty topic. Sometimes you can use "Measly" instead an adjective "Scratcher", if it concerns topics such as trivial.