Portulex is a lexical database that contains words from children's schoolbooks for reading and language instruction from grades 1 to 4. In the lemma database, words are shown in uninflected form (N = ca 8,400), and in the wordform database words are presented in inflected form (N = ca. 17,100). In both databases, frequency and morphological classifications are presented for each entry. It is presented as an excel file. The reference to Portulex is: Teixeira, C., & Castro, S. L. (2007). Portulex: Base de dados lexical de manuais do 1º ao 4º anos de escolaridade. Laboratório de Fala da Faculdade de Psicologia da Universidade do Porto.

The Portulex database is available for educational or research purposes. If you are interested, please Complete this form.


Porlex is a lexical database in European Portuguese containing psycholinguistic and cognitive information that is useful to select stimulus materials for experiments and/or training vocabularies. It was built on the basis of a middle-sized adult lexicon, and provides orthographic, phonological, phonetic, part-of-speech, and neighborhood information for about 30 000 words (uninflected content words and inflected function words). Porlex is presented as an excel file.

It is more fully presented in the article: Gomes, I., & Castro, S. L. (2003). Porlex, a lexical database in European Portuguese. Psychologica, 32, 91-108. You can download this article here.

A sample of Porlex containing 400 entries can be downloaded here.

The Porlex database is available for educational or research purposes. If you are interested, please complete this form or access the Porlex database at the META-SHARE network for sharing language resources

Age-of-Acquisition and Familiarity database

This database contains estimated age-of-acquisition (AOA) and familiarity ratings for 408 Portuguese dissyllabic nouns selected from Porlex.

For more info, please download the pdf Info on AoA 400 database.

The corresponding excel file is available on request. Please send an email to: Selene Vicente.