Deviation (child language) ; Phonemik (Spracherwerb) ; Phonetics (language acquisition) ; Kindersprache (phonet./phonem.) ; Child language (phonet./phonem.) ; Spracherwerb (phonet./phonem.) ; Language acquisition (phonet./phonem.) ; Phonological development ; Simplification (language acquisition) ; Consonant harmony ; Fortition; Lenition ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English