The word "cithern" can be considered a bit archaic these days, especially for those who are not music enthusiasts. However, for those who are familiar with this type of stringed instrument, it's interesting to know that there are several other words that can be used to refer to it. Some of the synonyms for "cithern" include "citole," "citern," "cittern," and "gittern." These words are often used interchangeably, although some musicians argue that they have slight variations in terms of design and sound. Regardless of which word is used, the cithern remains an important instrument in Western music history, particularly during the Renaissance and Baroque eras.