waterhole

As nouns the difference between waterhole and pond

is that waterhole is a depression in which water collects, especially one where wild animals come to drink while pond is an inland body of standing water, either natural or man-made, that is smaller than a lake.

As a verb pond is

to block the flow of water so that it can escape only through evaporation or seepage; to dam.

As a proper noun Pond is

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As nouns the difference between waterhole and oasis

is that waterhole is a depression in which water collects, especially one where wild animals come to drink while oasis is a spring of fresh water, surrounded by a fertile region of vegetation, in a desert.