An accusation of wrongdoing, a recrimination(noun)
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Use "crimination" in a sentence
"The newspapers are so full of criticism and discussion of crimination and recrimination regarding Brest, and are so prone that I should like very much, if you have time in your very busy days to drop me a line, that you would write me as to the situation as it is now."
"Of course a great row occurred as to who was to blame, and many arrests and trials took place, but there had been such an interchanging of cap numbers and other insignia that it was next to impossible to identify the guilty, and so much crimination and acrimony grew out of the affair that it was deemed best to drop the whole matter."
"Aunt Emmeline was still averse to her niece, but she abstained from crimination."