Sociodialectology ; Phonology (sociolinguistics) ; Sociophonology ; Community language; Netzwerk (Soziolinguistik) ; Network (sociolinguistics) ; Speech community ; Vowel change ; Sprachwandel (morph.) ; Language change (morph.) ; Morphological change ; Simplification (language change) ; Auswanderer; Emigrants; Migrant; Aussiedler; Gastarbeiter; Arbeitsmigranten; Immigrants/Emigrants ; Language diffusion; Language shift; Sprachwechsel; Language spread ; Sprachentod; Extinct language; Language endangerment; Bedrohte Sprache; Linguicide; Linguizid; Language death ; Mundartforschung; Dialectology ; Regional language ; Conjugation; Verb inflection ; Periphrastic conjugation ; Monophthongization ; AAVE; Black English; African American English ; English (American) ; USA (English language in the) ; USA (engl. Sprache in den) ; English in the USA; Englisch in den USA; American English ; English (British) ; Grossbritannien (engl. Sprache in) ; Great Britain (English language in) ; Englisch in Grossbritannien; English in Great Britain; British English