This is the 1326th most frequent Portuguese word.
culpa
Guilt or blame.
Here, 'culpa' is used as a noun referring to one's responsibility or fault in an undesirable situation.
Eu aceito a culpa pelo erro cometido.
I accept the blame for the mistake made.
In this sentence, 'culpa' is used as a noun indicating that the speaker does not accept responsibility for the error.
Não é minha culpa se algo deu errado.
It is not my fault if something went wrong.
Here, 'culpa' signifies innocence concerning the situation, suggesting the person did not contribute to the incident.