abnormalities — an abnormal condition, state, or quality; irregularity; deviation.
anomalies — a deviation from the common rule, type, arrangement, or form. Synonyms: abnormality, exception, peculiarity.
irregularities — the quality or state of being irregular.
eccentricities — an oddity or peculiarity, as of conduct: an interesting man, known for his eccentricities.
oddities — an odd or remarkably unusual person, thing, or event.
lapses — an accidental or temporary decline or deviation from an expected or accepted condition or state; a temporary falling or slipping from a previous standard: a lapse of justice.