idioglossia /id-i-ō-glosˈi-ə/

1. A condition in which pronunciation is so bad as to be quite unintelligible
2. A private language developed between two or more children, esp twins, etc

• fanfares
• fanfaring
• fanfaron
• fanfarona
• fanfaronade
• fanfaronaded
• fanfaronades
• fanfaronading
• fanfaronas
• fanfarons
• fanfic
• fan fiction
• fan fictions
• fanfold
• fang
• fanged
• fanging
• fangle
• fangled
• fangles
• lamedhs
• lameds
• lame duck
• lamella
• lamellae