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Among the synonyms that have been used to describe Caiño tinto and its wines are Azedo, Bagalhal, Bogalhal, Borraco, Borrasao, Bougalhal, Bovvaco, Cainho Gordo, Cainho Grande, Cainho Grosso, Caiño Gordo, Caiño Grosso, Esfarrapa, Esfarrapas, Espadeiro Redondo, Morraça, Oeil de crapaud and Olho de Sapo.
References
J. Robinson Jancis Robinson's Guide to Wine Grapes pg 41 Oxford University Press 1996 ISBN0198600984