Hearing (psycholing.) ; Vowel perception; Consonant perception; Speech perception (phonet.) ; Sound perception ; Velar softening; Fronting (phon.) ; Jotierung; Palatalization ; Syntax-phonology interface; Interface, syntax-phonology ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English