← AP Human Geo. Unit 3 Chapter 10 Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All toponomy Study of place names Official language language that all government business use in a country Monolingual states countries where only one language is spoken Multilingual states countries where more than one language is spoken Lingual franca a common language between two different language speakers Pidgin simple speech from combined languages Creole a mother tongue that originates from contact between two languages Esperanto A made-up Latin-based language, which its European proponents in the early twentieth century hoped would become a global language.