Usage History of 'metro'

The following chart shows how frequently 'metro' appeared in printed materials over time. For example, the word 'metro' occurred 2 times in books in 1631 and 96,826 times in 2008. From 1631 to 2008, the word 'metro' was used a total of 2,548,817 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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