Wiktionary
profiteth
vb. (en-archaic third-person singular of: profit)
Usage examples of "profiteth".
And though I bestow all my goods to feed the poor, and though I give my body to be burned and have not charity, it profiteth me nothing.
Nevertheless they advance above all others in virtue who strive manfully to conquer those things which are most grievous and contrary to them, for there a man profiteth most and meriteth greater grace where he most overcometh himself and mortifieth himself in spirit.
For what profiteth a man if he gain the whole world but in the meantime starveth to death?