Difference between Retentivity and Retention

Retentivity

Part of speech: noun

Definition: The ability to retain, potential for retention The capacity to retain magnetism after the magnetizing action

Retention

Part of speech: noun

Definition: The act of retaining or something retainedThe act or power of remembering thingsA memory, what is retained in the mindThe involuntary withholding of urine and faeces

Example sentence: We have already seen evidence that, notwithstanding the addition of substantial resources, we are experiencing great stress in recruiting and not inconsequential retention problems.