Google Ngrams is a fascinating visualization tool for studying word frequency over time in the 15 million books that are part of the Google Books project. The research that led to the creation of Ngrams was a cooperative effort between Google and Harvard University.

The little screenshot snippet below shows Ngrams in action, making it easy to see at a glance how cancer has come to predominate over infectious diseases in the 20th century. Other examples show similar trends in related diseases, medical specialty fields, and the practice of healthcare. Ngram viewer IS case sensitive and results vary quite a bit depending on capitalization, so play around with it …

Especially of historic interest:

Eric Rumsey is at: eric-rumsey AttSign uiowa dott edu and on Twitter @ericrumsey

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