Puzzle #226: What is the Rule?

If red is better than blue, starting better than quitting, something better than nothing, water better than wine, failure better than success, area better than volume, fast better than slow, and fast better than rapid, which is better: math or money? Why?

[Clue: The rule has to do with the spelling of the words.]

Submit your answer to Gene Wirchenko <genew@telus.net>. Your answer should be in the form of a proof. That means to show how your answer must be correct. The deadline is Wednesday, October 4, 2017 at noon Pacific Time. I will post the answer shortly after.