Maybe the word for "Earth" does indeed have multiple meanings; then we'd have to consider the appropriate meaning that fits with the word "mountains", which we are led to believe were completely covered. Are there multiple meanings for that word too? Any that rescue the nice 'n' fluffy non-genocidal version of the story?
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'