Complete the gaps with the correct derivative of each word

The Deadly Tsunami

On 26th December 2006, as millions of people went about their daily business, nobody would have suspected that a natural disaster was about to occur.

At [ ] 8:00 am local time, an undersea earthquake occurred off the western coast of Sumatra, Indonesia. The huge tremor resulted in a devastating tsunami which battered the coastlines of numerous countries, including India, Sri Lanka and Thailand.

The [ ]force of these destructive waves was enough to break trees in half and cause houses to collapse completely. Within seconds, picturesque villages were turned into piles of rubble. Nobody was spared in this [ ]act of nature, from villagers going about their business to [ ] who had been enjoying the [ ].

Only in the aftermath of the disaster did the world realise how powerful the tsunami had been. Despite the speedy provision of humanitarian aid, nearly 250,000 people died and 1.69 million were left [ ].