Favouritise

He desires, under changes, desscried in the dim distance, that the "sense of the Court, the sense of the Parliament, and the sense of the People should be the same;" that the King, as he expresses it, should prove the "centre of the nation," and, as Disraeli has expressed it, should be above “class interests;” should, in a country of classes, respond to every class, and favouritise none.

Source: wiktionary

He was quite irresistible as a child and I tried not to favouritise him.

Source: wiktionary

Because there are no factors here which systematically favouritise certain units at somebody's else expense, the sample has got the tendency to become similar to the general population as its population size grows.

Source: wiktionary