Are voice and narrative the same thing in narratology?

No because narrative is a general topic while personal narrative is a more specific topic. But if we're going to look at their similarities, they are somehow the same thing.....

Yes talking in an loud tone, rasing your voice and yelling are indeeed the same thing.

redefine your question please!. A simple click on dictionary.com or thesaurus.com would tell you that these two words are not even remotely similar. Can you please redefine your question? Then we can...

Not necessarily. Density is mass divided by volume. Many different things could have the same density.

If Fall is the same thing as Summer, and there are four seasons, then that would correspond to 7 days of the week, meaning it would actually be closer to Saturday.