Word frequency effect (psycholing.) ; Versprecherhäufigkeit; Speech error rate; Frequency (psycholing.) ; Speech shadowing; Repetition (psycholing.) ; Nonword (psycholing.) ; Nichtwort (psycholing.) ; Word manufacture; Kunstwort; Pseudo-word ; Abstraction (language acquisition) ; Generalization (language acquisition) ; Pathologischer Spracherwerb (phon.) ; Phonological development (pathol.) ; Spracherwerb (lex.) ; Language acquisition (lex.) ; Vocabulary (language acquisition) ; Obligatory Contour Principle; Phonotactics ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English