Like if you have 2 out of the 5 letters that require a word to be a word in your name!!
The problem is either you actually have liked these pages yourself, which is entirely your own fault, or someone else liked/shared it, which you can change by either not seeing any of their updates or just only their important ones.
My entire Facebook feed is new content from any of the following: my actual friends list (with annoying people hidden) or good/funny pages that I've liked.