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