What's the plural form of nucleophilicity? Here's the word you're looking for.
Answer
The noun nucleophilicity can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be nucleophilicity.
However, in more specific contexts, the plural form can also be nucleophilicities e.g. in reference to various types of nucleophilicities
or a collection of nucleophilicities.
Examples
This high electron density leads to strong boron-based nucleophilicity and extremely high reduction potentials both highly novel phenomena.