Feat
Part of speech: noun
Definition: An accomplishment that's relatively rare or difficult.
Example sentence: I respect the hell out of everyone who does a network show. That is a marathon. It's so many episodes, and it can be a meat grinder. Anyone making a network show, and on top of that making a very good network show, that's an insane feat of Herculean endurance and fortitude.
Exploit
Part of speech: noun
Definition: A heroic or extraordinary deed.An achievement.A program or technique that exploits a vulnerability in other software.
Part of speech: verb
Definition: To use for one's own advantage.
Example sentence: We must find new lands from which we can easily obtain raw materials and at the same time exploit the cheap slave labor that is available from the natives of the colonies. The colonies would also provide a dumping ground for the surplus goods produced in our factories.