The Google Ngram corpus [37] provides new support for these statistical regularities in word frequency dynamics at timescales from decades to centuries [22, 41,<cite> 42,</cite> 1, 28] of n-grams -an n-gram being n consecutive character strings, separated by spaces -derived from millions of books over multiple centuries [35] , the n-gram data now covers English books from the year 1500 to year 2008.