* Glossolalia: The speaking in tongues, a phenomenon often associated with religious experiences.
* Glossopathy: A disease of the tongue.
* Glossoplegia: Paralysis of the tongue.
* Glossodynia: Pain in the tongue.
* Glossoptosis: Protrusion of the tongue.
* Glossorrhaphy: Suturing of the tongue.
* Glossoschisis: A cleft tongue.
* Glossographia: The art of writing about tongues.
* Glossology: The study of tongues.
* Glossography: The act of describing languages.
These are just a few examples. There are many other words that begin with "glosso-" related to the tongue, language, and speech.