Applications for Education.
As I pointed out in the video above, the Ngram Viewer can provide a great way to start a research study activity for students. Have them enter a few words then examine the graph to identify peaks and valleys in the frequency of the words usage. Ask them to attempt to determine what would have caused those words to be used more or less often at different periods in history.

By the method, the book that I discussed in the video is That Wild Country by Mark Kenyon..

Googles.
Ngram Viewer is a search tool that students can utilize to check out the usage of words and names in books released between 1800 and 2019. The Ngram Viewer reveals users a chart highlighting the very first look of a word or name in literature and the frequency with which that word or name appears in literature considering that 1800. The chart is based upon the books and regulars that are indexed in Google Books.

The Ngram Viewer will let you compare making use of numerous words or names in one chart. The example that I provide in this video is to compare making use of the terms “National Parks,” “National Forests,” and “National Forest Service.” By taking a look at the Ngram Viewer for those terms I can see that they start to appear more often around 1890, have a lull in the 1940s and 1950s, and then appear more often again in the 1960s..
Ngram Viewer is based on books indexed in Google Books. That is why listed below every chart generated by Ngram Viewer you will discover a list of books about each of your search terms. Those books are organized by date..
A 3rd element of Ngram Viewer to note is that it works with several languages consisting of English, French, Chinese, German, Italian, Russian, Hebrew, and Spanish..

Ngram Viewer is a search tool that students can use to explore the usage of words and names in books published between 1800 and 2019. The Ngram Viewer shows users a graph showing the first appearance of a word or name in literature and the frequency with which that word or name appears in literature since 1800. The Ngram Viewer will let you compare the use of numerous words or names in one graph.