Difference between Regain and Retrieve

Regain

Part of speech: verb

Definition: To get back; to recover possession of.

Retrieve

Part of speech: verb

Definition: To regain or get back something.To rescue (a) creature(s)To salvage somethingTo remedy or rectify something.To remember or recall something.To fetch or carry back something.To fetch and bring in game.To fetch and bring in game systematically.To fetch or carry back systematically, notably as a game.To make a difficult but successful return of the ball.

Part of speech: noun

Definition: A retrievalThe return of a difficult ball