Usage History of 'op'

The following chart shows how frequently 'op' appeared in printed materials over time. For example, the word 'op' occurred 4 times in books in 1505 and 722,938 times in 2008. From 1505 to 2008, the word 'op' was used a total of 23,368,496 times in books scanned by Google. See Reference: Google Ngram project.

See also:

Words starting with a,b,c...
Words ending with a,b,c...
Words starting & ending with a,b,c....