Antonym of DISCREPANCY

Answer: Option C

Discrepancy : an illogical or surprising lack of compatibility or similarity between two or more facts; inconsistency.
Variance : the fact or quality of being different, divergent, or inconsistent.
Inappropriate : not suitable or proper in the circumstances.
Consistency : consistent behaviour or treatment.
Inconsistency : unpredictability; instability.

Antonym of Discrepancy is Consistency