A conclusion or final part of something.

अंत

English Usage: The end of the movie was surprising.

Hindi Usage: फिल्म का अंत आश्चर्यजनक था।

A mistake or fault.

गलती

English Usage: The report was filled with errors.

Hindi Usage: रिपोर्ट में कई गलतियाँ थीं।

To finish or conclude something.

समाप्त करना

English Usage: They decided to end the meeting early.

Hindi Usage: उन्होंने बैठक को जल्दी समाप्त करने का निर्णय लिया।

To make a mistake.

गलती करना

English Usage: He didn't error in his calculations this time.

Hindi Usage: उसने इस बार अपने गणनाओं में गलती नहीं की।