bugloss (any of several usually hairy Old World plants, especially in the genera Anchusa, Brunnera, and Echium, having blue or violet flowers)
diglossia (a sociolinguistic situation in which complementary social functions are distributed between two different varieties of a language, a prestigious, formal, or high variety and a common, colloquial, or low variety, as in Italian, German, or Scottish English)
gloss (a brief explanatory note or translation of a difficult or technical expression usually inserted in the margin or between lines of a text or manuscript; a collection of such notes; an extensive commentary, often accompanying a text or publication; a purposefully misleading interpretation or explanation)
glossa (the tongue, a tonguelike structure in the labium of an insect)
glossal (of or relating to the tongue)
glossary (a list of difficult or specialized words with their definitions, often placed at the back of a book)
glossitis (inflammation of the tongue)
glossography (the compilation of glosses or glossaries)
glossolalia (fabricated and nonmeaningful speech, especially such speech associated with a trance state or certain schizophrenic syndromes; an ecstatic utterance that is partly or wholly unintelligible to hearers)
glottis (the opening between the vocal cords at the upper part of the larynx; the vocal apparatus of the larynx)
hypoglossal (of or relating to the area under the tongue)
isogloss (a geographic boundary line delimiting the area in which a given linguistic feature occurs)
Definitions are taken from:
The American Heritage® Dictionary of the English Language, Third Edition copyright © 1992 by Houghton Mifflin Company.
Electronic version licensed from InfoSoft International, Inc. All rights reserved.
Webster's Third New International Dictionary, Unabridged. Merriam-Webster, 2002.
http://unabridged.merriam-webster.com (30 Sep. 2006).
English-Word Information: Word Info about English Vocabulary (wordinfo.info).