ngram - SERP Analysis

https://books.google.com/ngrams/

https://en.wikipedia.org/wiki/N-gram

https://jdrc.hsites.harvard.edu/getting-started-google-ngram-viewer

https://www.ngram.com/

https://www.wired.com/2015/10/pitfalls-of-studying-language-with-google-ngram/

https://books.google.com/ngrams/info

https://infoguides.gmu.edu/textanalysistools/ngram

https://www.mathworks.com/discovery/ngram.html

https://www.youtube.com/watch%3Fv%3Dm1Ot7Z6Y5qg

https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-ngram-tokenizer.html