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Words getting along nicely ....
Word: rigor (lookup in dictionary) (lookup stats) Dates: during 1990-1999 Sort By: most recent first (reverse)
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Normalized population density for word "rigor" throughout decades:
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Word "rigor" first appeared in our records from 1874!
See usage in 1874 »
The following words have supported "rigor" in appearing on this page. Do you know these words: