lingua franca
リングワフランカ
Rosetta Stone
Global language system
Language contact
List of languages by number of native speakers
List of languages by total number of speakers
List of languages by the number of countries in which they are recognized as an official language
Interlinguistics
Universal language
Working language
https://source.unsplash.com/featured/?lingua-franca#.png
/suto3/google.iconlingua franca
/suto3/Google画像検索.iconlingua franca
/suto3/Google定義検索.icon lingua franca
/suto3/wikipedia.iconlingua franca
/suto3/weblio.icon lingua franca
/suto3/kotobank.icon lingua franca
/suto3/jisho.icon lingua franca