Feature sharing is a pervasive property of natural languages that has long been considered quite puzzling. (cf. Barlow & Ferguson 1988:1-4). Being the source of redundancy, it is obviously a debated issue in the minimalist approach which aims to reduce language to a conceptually necessary system (cf. Chomsky 2005). In this paper, I deal with two different notions of feature sharing as they are manifested inside nominal expressions (NE): Agreement (the relation between an argument and the head noun, with the effect of (genitive) Case assignment) and Concord (the relation between adjectival modifiers and the head noun). Despite both are mediated by functional projections containing uninterpretable features, I claim that these two relations a...