Book excerpt: An invaluable tool for learners of Portuguese, this Frequency Dictionary provides a list of the 5000 most commonly used words in the language. Based on a 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. Users can access the top 5000 words either through the main frequency listing or through an alphabetical index. Throughout the frequency listing there are also thrity thematically-organized ‘boxed’ lists of the top words from a variety of key topics such as sports, weather, clothing and relations. An engaging and highly useful resource, A Frequency Dictionary of Portuguese will enable students of all levels to get the most out of their study of Portuguese vocabulary. Former CD content is now available to access at www.routledge.com/9780415419970 as support material. Designed for use by corpus and computational linguists it provides the full text in a format that researchers can process and turn into suitable lists for their own research work.