Vat and Washtub

Vat noun - A tax levied on the difference between a commodity's price before taxes and its cost of production.

Washtub and vat are semantically related. In some cases you can replace term "Washtub" with "Vat", this nouns are similar.

Washtub noun - A tub in which clothes or linens can be washed.

Vat and washtub are semantically related. You can use "Vat" instead a noun "Washtub".