https://books.google.com/ngrams/graph?content=content%2Carticle&year_start=1800&year_end=2008&corpus=15&smoothing=3&share=&direct_url=t1%3B%2Ccontent%3B%2Cc0%3B

https://books.google.com/ngrams/graph?content=content%2Carticle&year_start=1800&year_end=2008&corpus=15&smoothing=3&share=&direct_url=t1%3B%2Ccontent%3B%2Cc0%3B.t1%3B%2Carticle%3B%2Cc0 https://books.google.com/ngrams/graph?content=content%2Carti...