Usage History of 'dual'

The following chart shows how frequently 'dual' appeared in printed materials over time. For example, the word 'dual' occurred 4 times in books in 1564 and 467,463 times in 2008. From 1564 to 2008, the word 'dual' was used a total of 11,920,064 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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