Usage History of 'ptomain'

The following chart shows how frequently 'ptomain' appeared in printed materials over time. For example, the word 'ptomain' occurred 1 time in books in 1785 and 174 times in 2008. From 1785 to 2008, the word 'ptomain' was used a total of 9,020 times in books scanned by Google. See Reference: Google Ngram project.

See also:

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