What's the difference between misery and niggardliness?

Misery

Definition:

(n.) Great unhappiness; extreme pain of body or mind; wretchedness; distress; woe.
(n.) Cause of misery; calamity; misfortune.
(n.) Covetousness; niggardliness; avarice.

Example Sentences:

(1) Northern Ireland will not be dragged back by terrorists who have nothing but misery to offer."
(2) The Coalition promises to add more misery to their lives.
(3) I thought she had been put out of her misery by marriage but now she is a widow.
(4) This is not some sophisticated, Westminstery battle, but a life-and-death, misery-or-decency choice about the very basics of life for hundreds of thousands of older British people.
(5) "While the country is sunk in misery, families are ruined and children are growing up in poverty, this guy turns up and we pay €91m for him.
(6) It is only going to cause more disruption and misery for passengers.
(7) An arms embargo should be imposed on Israel, the former international development secretary Andrew Mitchell has said , as he warned that the level of misery and carnage in Gaza was likely to poison the remaining goodwill in the region for generations.
(8) In Kew Gardens, west London, 18mm of rain fell in just an hour on Saturday afternoon with other deluges causing travel misery.
(9) So, in The Devil Wears Prada , the ferocious magazine chief played by Meryl Streep is beset by secret misery: unfaithful husband, tricky kids, wig issues.
(10) He skirted round the issue of historic responsibility for the misery but referred to the sheer scale of the sacrifice, pointing out that, among more than 14,000 parishes in the whole of England and Wales, only about 50 so-called "thankful parishes" saw all their soldiers return.
(11) Spanish football fans’ habit of waving white hankies tends to be derisive, signifying that they wish a hapless manager to be put out of their club’s misery.
(12) Above all, MPs should vote to stop needless misery for families afflicted by this rare but terrible disorder.
(13) At the same time, by achieving a state of misery through following her mother's orders, she exposed her as ridiculous, and thus covertly discharged considerable aggression.
(14) Labour are finally crafting a clearer line on Brexit: this morning, the shadow chancellor warned that “losing access to the single market would be devastating for jobs, livelihoods and our public services”, that Britain didn’t vote for “economic misery and the loss of jobs”, and that the government was “abandoning Britain’s clear national interests by putting narrow party political concerns first.” These are good lines – and clarify that Labour’s priority is single-market access – but they will only cut through if repeated in similar language until people can hardly bear to hear them anymore.
(15) Behind the chancellor, Tories kept up a wall of noise, laughing and jeering at the misery guts on the benches opposite.
(16) Oxygen supply by this route, however, may enable the inner ear tissue alive even in misery perfusion and recover the high tone potential as a therapy of otitis media with effusion.
(17) It wasn’t too long ago that I was sitting inside a tent with newfound friends, fasting on the National Mall and feeling a profound hunger – literally, yes, but also a hunger within, to see an end to the misery endured by those who come to our country to escape poverty and violence in search of a bright future for their families.
(18) Forty percent of An-ICH were treated conservatively and the outcome was very misery (no useful life and 94% was poor or dead).
(19) Most human misery can be blamed on failed relationships and physical and mental illness rather than money problems and poverty, according to a landmark study by a team of researchers at the London School of Economics (LSE).
(20) While a US presidential visit would normally be expected to command the lion's share of attention in South Korea, the country remains preoccupied with the misery wrought by the sinking of the passenger ferry.