Enlightenment (theory of language) ; GerManC ; Sprachwandel (morph.) ; Language change (morph.) ; Morphological change ; History of language (sociolinguistics) ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Sprachliche Unsicherheit; Linguistic insecurity ; Language norm ; Language planning; Purification of language; Sprachpurismus; Sprachverfall; Language decay; Language cultivation ; Hochsprache; Schriftsprache; Acrolect; Standard language ; Lemmata ; Auxiliary ; Adjective (morph.) ; Conditional ; Early Modern High German