Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
The “ough” sequence, for example, can be uttered a mind-boggling nine different ways, from borough through cough to plough – although the import of the US word hiccough may soon make this slightly less tough.
Source: https://www.express.co.uk/news/uk/1792451/towns-most-often-mispronounced-map-spt