Plural of fineness; multiple instances, types, or degrees of being fine or refined.
Simply the plural form of 'fineness,' made by adding '-es' (or '-s' pronounced as '-əz'). This straightforward pluralization shows English's regular system for nouns ending in '-ness.'
Most abstract nouns don't pluralize often—you wouldn't usually say 'happinessess'—but 'finenesses' works when you're talking about different kinds or degrees of refinement in different contexts.
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