Ass and Crupper

Ass noun - A sturdy and patient domestic mammal that is used especially to carry things.

Crupper and ass are semantically related. In some cases you can replace term "Crupper" with "Ass", this nouns are similar.

Crupper noun - A strap from the back of a saddle passing under the horse's tail; prevents saddle from slipping forward.

Ass and crupper are semantically related. Sometimes you can replace term "Ass" with "Crupper", this nouns are similar.