It appears that no matter what the time interval you use in the Google Search Trends Explore page, the trends between "Fake News" aligns very closely to "PizzaGate". You can play with the search trends here: https://www.google.ca/trends/explore?date=now%207-d&q=pizzagate,fake%20news

Here is the past 7 days trends (Retrieved 5:25 PM PST Feb 9, 2017)

(Note if you go back far enough there is a giant spike in "Fake News" which coincides with the "Golden Shower" dossier.

I'm convinced that "Fake News" was created to cover-up PizzaGate. Let me know what you think!