Usage History of 'subregions'

The following chart shows how frequently 'subregions' appeared in printed materials over time. For example, the word 'subregions' occurred 2 times in books in 1845 and 8,014 times in 2008. From 1845 to 2008, the word 'subregions' was used a total of 255,591 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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