Credits

The Enhanced North American Benchmark Lexicon: 172,999 English words, and the list behind a great many word games. A word valid here is usually valid there.

github.com/dolph/dictionary · public domain

The Dutch word list, 348,973 words, maintained by the OpenTaal foundation and used by spell checkers across the Dutch-speaking world.

opentaal.org

A lexical database of English built at Princeton over four decades. It supplies the English definitions, and the sense numbering that puts the commonest meaning first.

wordnet.princeton.edu

The Dutch definitions are written by Wiktionary contributors and extracted through DBnary. Shared under CC BY-SA, which is why this page exists as well as the licence link.

nl.wiktionary.org · CC BY-SA 3.0 · DBnary

Ordering results by how common a word actually is — rather than alphabetically — is the single thing that makes these tools useful. That ranking comes from subtitle corpora counted by the FrequencyWords project.

github.com/hermitdave/FrequencyWords