Usage History of 'porphyry'

The following chart shows how frequently 'porphyry' appeared in printed materials over time. For example, the word 'porphyry' occurred 4 times in books in 1564 and 42,091 times in 2008. From 1564 to 2008, the word 'porphyry' was used a total of 1,365,315 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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