These words are both adverbs, but ‘wrong’ can be used informally instead of ‘wrongly’ after a verb. For example: “If I hear the word ‘wrongly’ after a verb it sounds wrong to me.” It m
If you want to use the adverb in front of the verb instead of after, you should use “wrongly” and not ‘wrong” (just like the word ‘wrongfully’)
She was wrongly accused of stealing the pie.
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