ä=ae | ö=oe | ü=ue | ß=ss

l1 deutsch | l1 in German

English	Deutsch
nouns	Substantive
L1 acquisition	L1-Erwerb
L1 acquisition	Erstspracherwerb

Deutsch	English
Substantive	nouns
L1-Erwerb	first language acquisition
L1-Erwerb	L1 acquisition