Varieties classified by Loukotka (1968) as part of the Diaguit language group:2
Mason (1950)3 lists the Diaguita subgroups of Abaucan, Amaycha, Anchapa, Andalgalá, Anguinahao, Calchaquí, Casminchango, Coipe, Colalao, Famatina, Hualfina, Paquilin, Quilme, Tafí, Tocpo, Tucumán, Upingascha, and Yocabil. Acalian, Catamarca, and Tamano are possibly also Diaguita subgroups according to Mason (1950).
Cacán vocabulary possibly exists today in toponyms and local surnames, but the etymologies are often dubious.
Other known words include:
Calchaqui words listed in Loukotka (1968):4
"Cacan". Archived from the original on 2012-02-18. Retrieved 2009-01-31. https://web.archive.org/web/20120218223104/http://www10.gencat.net/pres_casa_llengues/AppJava/frontend/llengues_detall.jsp?id=681&idioma=5 ↩
Loukotka, Čestmír (1968). Classification of South American Indian languages. Los Angeles: UCLA Latin American Center. /wiki/%C4%8Cestm%C3%ADr_Loukotka ↩
Mason, John Alden (1950). "The languages of South America". In Steward, Julian (ed.). Handbook of South American Indians. Vol. 6. Washington, D.C., Government Printing Office: Smithsonian Institution, Bureau of American Ethnology Bulletin 143. pp. 157–317. /wiki/John_Alden_Mason ↩