Usage History of 'congruent'

The following chart shows how frequently 'congruent' appeared in printed materials over time. For example, the word 'congruent' occurred 4 times in books in 1587 and 64,948 times in 2008. From 1587 to 2008, the word 'congruent' was used a total of 1,628,654 times in books scanned by Google. See Reference: Google Ngram project.

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