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.
This will show you web pages that have been specially optimized for that keyword, so you'll get a better idea of the SEO competition.
Source: https://www.forbes.com/sites/forbesagencycouncil/2023/04/20/the-fundamentals-of-keyword-research/