abend vs retirement

abend

• Termination of a process prior to completion. 

• The abnormal termination of a program. 

• To terminate abnormally. 

retirement

• The act of leaving one's career or employment permanently. 

• An act of retiring; withdrawal. 

• The state of being retired; seclusion. 

• The state of having permanently left one's employment, now especially at reaching pensionable age; the portion of one's life after retiring from one's career.