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.
Well, 10 years ago, Matt Cutts, the former Google spam guy, said it would raise a red flag to publish so many pages at once.
Source: https://www.seroundtable.com/google-delay-release-of-thousands-of-pages-35200.html