Overtone and Riptide

Overtone noun - (usually plural) an ulterior implicit meaning or quality.

Riptide and overtone are semantically related In some cases you can use "Riptide" instead a noun "Overtone".

Riptide noun - A stretch of turbulent water in a river or the sea caused by one current flowing into or across another current.

Overtone and riptide are semantically related in drift topic. Sometimes you can use "Overtone" instead a noun "Riptide".