In a way that shows disagreement, conflict, or inconsistency; in a manner that doesn't match or correspond.
From 'discrepant' plus the adverbial suffix '-ly,' which comes from Old English '-lice' meaning 'in the manner of.' This suffix transforms adjectives into adverbs to describe how something happens.
The '-ly' ending is so common we barely notice it, but it's been our primary way of making adverbs for over 1,000 years—almost every adverb you say probably ends with it!
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