Short version: Phobia is a psychological disorder. Anti-gay, Anti-Mulsim, etc. will be used in its place.
“Ethnic cleansing” is a euphemism. Specifically state what happened. i.e. “The Holocaust is an example of ethnically-motivated genocide.”
(Side note: Per usual, don’t read the comments. Most of them didn’t actually read past the headline and the word “Orwellian” is used injudiciously.)