this is a copy of the wordnet dictionary in a simple api form. You can query this api with the following:
https://wordnet.glitch.me/query?search=
So https://wordnet.glitch.me/query?search=wat will return all words that start with 'wat'
Dictionary provided by the WordNet project of Princeton University. WordNet license
WordNet sqlite db - https://github.com/TMiguelT/wordnet-sqlite/