The quality or state of being capable of being cheated or deceived.
From 'cheatable' plus the suffix '-ness' (quality or state). This follows standard English noun formation from adjectives, creating an abstract noun for the property of vulnerability to cheating.
Creating a noun from 'cheatable' shows how English can stack morphemes—'cheat' plus 'able' plus 'ness'—allowing speakers to discuss abstract qualities of deception and vulnerability with precision.
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