Usage History of 'perennating'

The following chart shows how frequently 'perennating' appeared in printed materials over time. For example, the word 'perennating' occurred 2 times in books in 1892 and 238 times in 2008. From 1892 to 2008, the word 'perennating' was used a total of 10,938 times in books scanned by Google. See Reference: Google Ngram project.

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