Usage History of 'ruggedize'

The following chart shows how frequently 'ruggedize' appeared in printed materials over time. For example, the word 'ruggedize' occurred 1 time in books in 1952 and 12 times in 2008. From 1952 to 2008, the word 'ruggedize' was used a total of 393 times in books scanned by Google. See Reference: Google Ngram project.

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