Millpond and Small lake

Millpond noun - A pond formed by damming a stream to provide a head of water to turn a mill wheel.

Small lake and millpond are semantically related in small body of water topic. In some cases you can use "Small lake" instead a noun "Millpond".

Millpond and small lake are semantically related in small body of water topic. You can use "Millpond" instead a noun phrase "Small lake".