Mercifulness
Part of speech: noun
Definition: The state of being merciful; mercy.
Mercy
Part of speech: noun
Definition: relenting; forbearance to cause or allow harm to anotherforgiveness or compassion, especially toward those less fortunate.A tendency toward forgiveness, pity, or compassionInstances of forebearance or forgiveness.A blessing, something to be thankful for.
Example sentence: Even with all our technology and the inventions that make modern life so much easier than it once was, it takes just one big natural disaster to wipe all that away and remind us that, here on Earth, we're still at the mercy of nature.