Bolivia ; Frequency (morph.) ; Sprachwandel (morph.) ; Language change (morph.) ; Morphological change ; Conservatism (language change) ; Number ; Merger (phonem.) ; Jeísmo; Seseo; Neutralization (phonem.) ; Portugiesisch in Brasilien; Portuguese in Brazil; Brazilian ; Afrika (span. Sprache in) ; Africa (Spanish language in) ; Melilla; Ceuta; Spanish in Africa ; Latin America (Spanish language in) ; Lateinamerika (span. Sprache in) ; Spanish in Latin America