Usage History of 'perturbs'

The following chart shows how frequently 'perturbs' appeared in printed materials over time. For example, the word 'perturbs' occurred 2 times in books in 1698 and 1,881 times in 2008. From 1698 to 2008, the word 'perturbs' was used a total of 49,050 times in books scanned by Google. See Reference: Google Ngram project.

See also:

Find all anagrams of 'perturbs'
Words starting with a,b,c...
Words ending with a,b,c...
Words starting & ending with a,b,c....