Water pipe and Water supply

Water pipe noun - An oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water.

Water supply and water pipe are semantically related. In some cases you can use "Water supply" instead a noun phrase "Water pipe".

Water supply noun - A facility that provides a source of water.

Water pipe and water supply are semantically related. You can use "Water pipe" instead a noun phrase "Water supply".