Second language acquisition (psycholing.) ; Transfer (second language acquisition) ; Transfer (Zweitspracherwerb) ; Cross-linguistic influence (second language acquisition) ; Interference (second language acquisition) ; Speech perception (second language acquisition) ; Sprachperzeption (Zweitspracherwerb) ; Speech production/speech perception (second language acquisition) ; Einfluss von Sprachen aufeinander (lex.) ; Languages in contact (lex.) ; Sprachkontakt (lex.) ; Lexical borrowing; Loan word ; English ; Polish
