Plural of damnability; the qualities or capacities of being damnable or deserving of damnation.
From 'damn' with the suffix -able (capable of), plus -ity (quality), plus -ies (plural). This word builds through multiple morphological layers common in formal English.
Words like 'damnabilities' show how English can stack suffixes to create abstract qualities—it's a feature of academic and theological English, which is why you see these layered words in religious texts.
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