Language teaching ; Orthography (teaching of) ; Spelling (teaching of) ; Written language ; Worthäufigkeit; Häufigkeitsliste; Frequency list; Frequency (lex.) ; Word frequency ; Error analysis ; Gastarbeiterkinder; Migrant workers (children of) ; Auswanderer (Kinder) ; Emigrants' children; Migrantenkinder; Aussiedler (Kinder) ; Kinder mit Migrationshintergrund; Immigrants'/Emigrants' children ; Orthographiereform; Spelling reform ; Grundwortschatz; Aufbauwortschatz; General Service List; Basic vocabulary ; German
