 "vostok, nervčik, knjiška, bedstvo, krjak").Jovan Ajduković introduce the term "contacteme" for the basic unit of contact on each separate level of language.He distinguish "contact-phoneme", "contact-grapheme", "contacteme in distribution of sounds", "prosodic contacteme", "derivational contacteme", "morphological contacteme", "semantic contacteme", "syntactic contacteme", "stylistic contacteme", "contact-lexeme" and "contact-phraseme" (e.g.