Usage History of 'diphthong'

The following chart shows how frequently 'diphthong' appeared in printed materials over time. For example, the word 'diphthong' occurred 2 times in books in 1642 and 8,439 times in 2008. From 1642 to 2008, the word 'diphthong' was used a total of 261,727 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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