Usage History of 'ninjas'

The following chart shows how frequently 'ninjas' appeared in printed materials over time. For example, the word 'ninjas' occurred 2 times in books in 1849 and 3,550 times in 2008. From 1849 to 2008, the word 'ninjas' was used a total of 23,091 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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