A variety of works have been associated with Cormac, such as the Sanas Cormaic, a glossary of difficult words in Irish in the style of Isidore of Seville, which bears his name. While the core of the document dates from around Cormac's time, and may in some way be linked to him, it is uncertain if he was the compiler of even the original list.
A variety of writings have been linked to Cormac, such as the Sanas Cormaic, a lexicon of intricate Irish terms in the style of Isidore of Seville, which bears his name. Although the fundamental content dates from around Cormac's time and may be associated with him, it is uncertain if he was the author of even the initial list.