“…For instance, in the case of the German noun Mann 'man', the default plural form Männer coexists with the semantically more specific plural form Mannen 'vassals, henchmen'; the suffix -en, as in Mannen, is especially found with masculine nouns designating (superior) males: Mensch 'person'/Menschen; Professor 'professor'/Professoren; Hase 'hare'/Hasen; Affe 'monkey'/Affen, etc. (see Gaeta, 2008 for an overview). However, the case of Mann does not constitute a single, isolated instance of lexical differentiation, as does brother, but it is one of several instances of plural doublets that might be seen as giving rise to the formation of a new category.…”