| Word | Definitions | Synonyms |
|---|---|---|
| glottal | (adjective) of or relating to or produced by the glottis | - |
| glottis | (noun) the vocal apparatus of the larynx; the true vocal folds and the space between them where the voice tone is generated | - |
| glottochronological | (adjective) pertaining to the study of the evolution of languages from a common source | - |
| glottochronology | (noun) the determination of how long ago different languages evolved from a common source language | - |