Usage History of 'infiltration'

The following chart shows how frequently 'infiltration' appeared in printed materials over time. For example, the word 'infiltration' occurred 2 times in books in 1515 and 109,834 times in 2008. From 1515 to 2008, the word 'infiltration' was used a total of 4,080,711 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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