Cross-linguistic influence (psycholing.) ; Language loss (biling.) ; Attrition (biling.) ; Language attrition (biling.) ; Dialektologie, perzeptuelle; Dialectology, perceptual; Folk dialectology; Perceptual dialectology ; Transfer (second language acquisition) ; Transfer (Zweitspracherwerb) ; Cross-linguistic influence (second language acquisition) ; Interference (second language acquisition) ; Speech intelligibility (second language acquisition) ; Voice disguise; Voice recognition (phonet.) ; Stimmenerkennung (phonet.) ; Speaker identification (phonet.) ; Phonische Interferenz; Languages in contact (phon.) ; Sprachkontakt (phon.) ; Interference (phon.) ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English ; Portugiesisch in Brasilien; Portuguese in Brazil; Brazilian ; USA (port. Sprache in den) ; USA (Portuguese language in the) ; Portuguese in the USA