Upheaval
Part of speech: noun
Definition: the process of being heaved upward, especially the raising of part of the earth's crust a sudden violent upset, disruption or convulsion
Example sentence: Great literature must spring from an upheaval in the author's soul. If that upheaval is not present then it must come from the works of any other author which happens to be handy and easily adapted.
Turmoil
Part of speech: noun
Definition: chaosdisorder
Example sentence: When you put a book together and arrange it, there's a lot of anxiety and turmoil about what order the poems should be in.