What's the plural form of treatability? Here's the word you're looking for.
Answer
The noun treatability can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be treatability.
However, in more specific contexts, the plural form can also be treatabilities e.g. in reference to various types of treatabilities
or a collection of treatabilities.
Examples
The structure and consequent heat treatability of aluminum bronze varies greatly with composition.
Also includes comprehensive collection of treatability studies covering treatment technologies and posttreatment analysis.
Pancreatic cancer is another condition with very poor treatability.
The prime concern for oil and grease of animal and vegetable origin is not treatability but, rather, blockages in the collection system.
St. Lawrence Technologies: Mineralisation of sludge by plants: a treatability study, Eco-Technology Innovation.
A water treatability study is underway to identify the long-term solution, as the present plant does not meet current standards.