What's the difference between shanker and spanker?

Shanker

Definition:

Example Sentences:

(1) Gotbaum and others sought to persuade the teachers’ union boss Shanker to stack the nearly half-billion dollars of teachers’ pension funds behind the city’s bonds, too (there were rumours that the bearish Gotbaum had threatened to throw him out of an eighth-storey window if he didn’t go along).
(2) One study you might like to read was conducted in 2008 by Edward Miguel, Sebastian M. Saiegh and Shanker Satyanath, who summarise their findings thus: "Can some acts of violence be explained by a society's "culture"?
(3) At one in the afternoon, “the matzoh summit” broke up when Shanker declared simply, “Okay, I’ll do it.” The city was saved – for the time being.
(4) In fact, Shanker had already begun to pull in his horns, getting his teachers to go back to work even though the city only restored 4,500 of the 7,000 positions it cut, telling them, “A strike is a weapon you use against a boss that has money.
(5) On the picket lines they yelled, “This isn’t Fear City, it’s Stink City!” Shanker’s teachers staged a one-week strike at the start of the school year in September, after the city laid off 7,000 teachers.
(6) Albert Shanker, the even more belligerent leader of the city’s largest teachers’ union – already lampooned in Woody Allen’s sci-fi comedy Sleeper as the man who set off the third world war – demanded a 21% raise for his members, saying he would rather see the city go bankrupt than give in.

Definition:

(n.) One who spanks, or anything used as an instrument for spanking.
(n.) The after sail of a ship or bark, being a fore-and-aft sail attached to a boom and gaff; -- sometimes called driver. See Illust. under Sail.
(n.) One who takes long, quick strides in walking; also, a fast horse.
(n.) Something very large, or larger than common; a whopper, as a stout or tall person.
(n.) A small coin.

Example Sentences:

(1) I was watching with my parents and a girlfriend in our small living room in Fife, a long way from the lifestyles of movers and shakers (and spankers) like Tynan.
(2) He seemed to bid farewell to the stage as a touring Prospero in The Tempest in 2003, but returned unexpectedly in 2010 as the military relic Adolphus Spanker in Nicholas Hytner's mellow National Theatre revival of Dion Boucicault's London Assurance , alongside Fiona Shaw and Simon Russell Beale.