The goog.locale.genericFontNames Namespace

.getList(locale)

Gets the list of fonts and their generic names for the given locale.

locale {string}
The locale for which font lists and font family names to be produced. The expected locale id is as described in http://wiki/Main/IIISynonyms in all lowercase for easy matching. Smallest possible id is expected. Examples: 'zh', 'zh-tw', 'iw' instead of 'zh-CN', 'zh-Hant-TW', 'he'.
returns {Array.<Object>}
List of objects with generic name as 'caption' and corresponding font name lists as 'value' property.