Sociolinguistics

language contact is a term used in situations where two or more groups of speakers who do not share a native language are in social contact with each another[1].  Communication between these groups may be difficult, as it may make these different languages influence each other. Consequently, various phenomena like: bilingualism, multilingualism, borrowing, code switching, language shift, lingua franca, and pidginization appear in the scene; it also gives birth to language change which involves the contact of distinct lexical and grammatical system