The quality of being damnable or worthy of damnation; the state of deserving condemnation.
From 'damnable' with the abstract noun suffix -ness. This creates a synonym for damnability, using an alternative suffix that's equally common in English.
English lets you express almost the same idea through different word paths—'damnability' and 'damnableness' mean nearly identical things but come from different suffix traditions, showing English's rich redundancy.
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