Finial and Rear end

Finial noun - An ornament at the top of a spire or gable; usually a foliated fleur-de-lis.

Rear end and finial are semantically related. In some cases you can use "Rear end" instead a noun "Finial".

Rear end noun - The part of the body upon which someone sits.

Finial and rear end are semantically related. Sometimes you can use "Finial" instead a noun phrase "Rear end".