Language Entropy

Source for 1000 most frequent words in a language:

https://github.com/oprogramador/most-common-words-by-language

Other interesting texts:

OxfordDictionaries. How many words are there in the English language? https://en.oxforddictionaries.com/explore/how-many-words-are-there-in-the-english-language/ .Acesso em22 de abril de 2019

Nation, I., 2006.How large a vocabulary is needed for reading and listening?. Canadianmodern language review, 63(1), pp.59-82.