1. I got this sentence from a post and am wondering why one would use the word "much" like here when the word "words" is a countable noun in plural. I must say I use this sentence a lot myself.
I have tried to keep your words as much as possible.
2. I also got this from a post and am wondering if we can delete the word "up" and it will still do the job.
The crowd fill (up) the court room.
3. How can we know when to use the phrase "over some period of time" correctly?
She waited for over two years.
She waited over two years.