Reservoir and Tarn

Reservoir noun - The number of individuals or amount of something available at any given time.

Tarn and reservoir are semantically related in accumulation topic. In some cases you can use "Tarn" instead a noun "Reservoir".

Tarn noun - A mountain lake (especially one formed by glaciers).

Reservoir and tarn are semantically related in inland body of water topic. You can use "Reservoir" instead a noun "Tarn".