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