If so, here are some synonyms for aberration:
* Deviation: A departure from what is normal or expected.
* Anomaly: Something that deviates from what is standard, normal, or expected.
* Divergence: A difference in opinion, belief, or course.
* Discrepancy: A lack of compatibility or similarity between two or more facts.
* Irregularity: A deviation from what is usual or normal.
* Oddity: Something unusual or strange.
* Flaw: An imperfection or weakness.
The best synonym will depend on the specific context in which you are using the word.