partiality

noun

1 the president had shown partiality toward the group's cause:

bias, prejudice, favoritism, favor, partisanship, unfair preference, discrimination, unjustness, unfairness, inequity.

2 his partiality for brandy and soda was notorious:

liking, love, fondness, taste, weakness, soft spot, keenness, inclination, predilection, predisposition, proclivity, penchant, fancy, relish, passion.