The term xenism is a rare synonym of foreignism.
- "The first stage is when a word from one language is used in an utterance of another language in order to create a somewhat exotic effect. A this stage, the word is not a borrowing, but rather what [Picoche and Marchello-Nizia 1991:338-339] term a xenism." (Jones & Singh 2005:34)
- Jones, Mari C. & Singh, Ishtla. 2005. Exploring language change. London: Routledge.
- Picoche, J. & Marchello-Nizia, C. 1991. Histoire de la langue française. Paris: Nathan.