Somebody recently traveled to the Campus after reading a post at Laudator Temporis Acti from 2004 in which Michael Gilleland wondered about a new coinage to capture the idea of hating one’s own race. He ended up unhappy with misautogeny.
I think αὐτός feels out of place here. What you want is ‘same,’ not self.
I humbly submit misomophyly (secondary accent on the first syllable, primary accent on the third).
The phrase μισεῖν τούς ὁμοφύλους would mean ‘to hate those of one’s own race.’ Racism, on the other hand, could find a synonym in misallophyly.
I like the way misomophyly sounds — there’s a certain pleasant sensation in the speech organs. Funny for such an ugly word.