What is another word for idioglossia?
Pronunciation: [ˈɪdɪˌɒɡlɒʃə] (IPA) 
Idioglossia is a term used to describe a private language developed between two people, usually twins, who have been isolated from outside interactions. However, there are several synonyms for this word that can be used as alternatives to better describe this phenomenon. These include cryptophasia, which refers to a secret language spoken by twins; twin speech, which is another term for private language developed by twins; and autonomous language, which highlights the independent and self-created nature of this type of language. Additionally, some may use the term twin talk or twin language to describe idioglossia. Regardless of the synonym used, these terms all describe the intimate and unique language spoken between twins.
