Dualism: Noun. Du-al-ism.
'dü-&-"li-z&m also 'dyü-
A doctrine that the universe is under the dominion of two opposing principles one of which is good, and the other, evil.
Duel: Noun. Du-el.
'dü-&l also 'dyü-
A formal combat with weapons fought between persons.
This is the true battle of the century. The fight between good and evil, black and white, yin and yang, day and night, up and down, In 'N' Out (they're what hamburgers are all about), left and right, Ringu and The Ring, Ebert and Roper, grits and oatmeal.