allegation · noun C /ˌæl.ɪˈgeɪ.ʃən/
allegation
C1 when you say that someone has done something wrong or illegal, without proof that this is true
Dictionary examples:
allegations of corruption
Several of her patients have made allegations of professional misconduct against her.
He denied allegations that he had cheated.
Learner example:
Contrary to Mrs Jones' allegation, the exam results of our college are first-class and, moreover, there is an extremely varied social programme organised. (Certificate in Advanced English; C1; Greek)