Hot spot and Hot water

Hot spot noun - A place of political unrest and potential violence.

Hot water and hot spot are semantically related in predicament topic. In some cases you can use "Hot water" instead a noun phrase "Hot spot", when it comes to topics like easy.

Hot water noun - A dangerous or distressing predicament.

Hot spot and hot water are semantically related in trouble topic. You can use "Hot spot" instead a noun phrase "Hot water", if it concerns topics such as easy.