Literacy (culture of) ; Comparative linguistics; Komparatistik; Indogermanistik; Indoeuropäische Sprachwissenschaft; Indoeuropean linguistics; Proto-Indo-European; Historical comparative linguistics ; Mehrsprachengrammatik; Multilingual grammar; Contrastive linguistics ; Language variation/Dialectology ; Rechtschreibung; Spelling; Orthography ; Lexikologie, kontrastive; Lexicology, contrastive; Contrastive lexicology ; German ; Old High German ; Early Modern High German ; Middle High German