Fireplug and Hydrant

Fireplug noun - An upright hydrant for drawing water to use in fighting a fire.

Hydrant and fireplug are semantically related in emergency water connection on street topic. In some cases you can use "Hydrant" instead a noun "Fireplug".

Hydrant noun - A faucet for drawing water from a pipe or cask.

Fireplug and hydrant are semantically related in water supply topic. You can use "Fireplug" instead a noun "Hydrant".