What's the plural form of swelling soil? Here's the word you're looking for.
Answer
The noun swelling soil can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be swelling soil.
However, in more specific contexts, the plural form can also be swelling soils e.g. in reference to various types of swelling soils
or a collection of swelling soils.
