Usage History of 'superheavies'

The following chart shows how frequently 'superheavies' appeared in printed materials over time. For example, the word 'superheavies' occurred 2 times in books in 1924 and 26 times in 2008. From 1924 to 2008, the word 'superheavies' was used a total of 1,119 times in books scanned by Google. See Reference: Google Ngram project.

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