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