Pursuance
Part of speech: noun
Definition: A search for something; a pursuit or quest A completion or putting into effect of something already begun; a prosecution
Pursuit
Part of speech: noun
Definition: The act of pursuing.A hobby or recreational activity, done regularly.A discipline in track cycling where two opposing teams start on opposite sides of the track and try to catch their opponents.
Example sentence: The U. S. Constitution doesn't guarantee happiness, only the pursuit of it. You have to catch up with it yourself.