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