Usage History of 'tocology'

The following chart shows how frequently 'tocology' appeared in printed materials over time. For example, the word 'tocology' occurred 2 times in books in 1768 and 32 times in 2008. From 1768 to 2008, the word 'tocology' was used a total of 902 times in books scanned by Google. See Reference: Google Ngram project.

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