What's the plural form of prisonment? Here's the word you're looking for.
Answer
The noun prisonment can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be prisonment.
However, in more specific contexts, the plural form can also be prisonments e.g. in reference to various types of prisonments
or a collection of prisonments.
Examples
According to state-run Al-Ahram newspaper, 14 were condemned to be executed, four received life im prisonment and six were acquitted.