GEAR - [noun] a part of an apparatus of a car used to control its power and speed

Examples of use

My car has six forward gears and a reverse gear.

The road was so steep that I had to go into second gear.

 

DESTINY - [noun] something that is certain to happen

Examples of use

I'm sure he will win the elections. It's his destiny to lead his country.

They believe it was their destiny to meet each other and be together for the rest of their lives.