Product description An invaluable tool, this Frequency Dictionary provides a list of the 5000 most commonly used words in the language. Based on aÂ twenty-million-word collection of Portuguese (taken from both Portuguese and Brazilian sources), which includes both written and spoken material, this dictionary provides detailed information for each of the 5000 entries, including the English equivalent, a sample sentence, and an indication of register and dialect variation. This CD version is designed for use by corpus and computational linguists in a format that researchers can process and turn into suitable lists for their own research work. About the Author Mark Davies is Professor at the Department of Linguistics, Brigham Young University at Provo in Utah. Ana Maria de Oliveira Raposo Preto-Bay is Assistant Professor of Portuguese at the Department of Spanish and Portuguese, Brigham Young University at Provo in Utah.