Difference between Leaven and Prove

Leaven

Part of speech: noun

Definition: Any agent used to make dough rise or to have a similar effect on baked goods.

Part of speech: verb

Definition: To add a leavening agent. To cause to rise by fermentation. To temper an action or decision.

Prove

Part of speech: verb

Definition: To demonstrate that something is true or viable; to give proof for.To turn out; to manifest.To turn out to be.To (put to the) test, proofTo experienceTo proofread.

Example sentence: There is more to sex appeal than just measurements. I don't need a bedroom to prove my womanliness. I can convey just as much sex appeal, picking apples off a tree or standing in the rain.