Throughout the Harry Potter books, there are some variations between the Bloomsbury (British) and Scholastic (American) editions. Below the first section on "Philosopher's vs. Sorcerer's" is a section on other different terminologies used.

Philosopher's vs. Sorcerer's

When Scholastic was publishing Harry Potter and the Philosopher's Stone in America, they decided to rename the book Harry Potter and the Sorcerer's Stone. They claimed that the American and British uses of the word philosopher were a bit different, so therefore sorcerer was a مزید appropriate word. Any true Harry Potter fan, American...

HOGWARTS STAFF
Headmaster Albus Dumbledore: His first name is from the Latin word alba, "white." His last name, according to Rowling interviews, is Old English for "bumblebee." In colour symbolism, white often stands for purity, so the headmaster's name suggests honour and a hard-working nature ("busy as a bee").
Professor Binns: A bin is a large storage container. A dustbin is British English for a garbage can. This boring professor could be described as a ghostly storage for information that many Hogwarts students view as rubbish.
Headmaster Armando Dippet: Armando is from the name Armand,...

If not little known, at least little remembered. ;) I've collected here eleven (in my opinion) of the most interesting and useful ones. Plus my تبصرے on some of them.

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1. There is no such thing as a pureblood family. Every wizarding family has a muggle یا a few among them. Some just choose to پار, صلیب them over in their family درخت and pretend they don't exist and instead claim themselves as purebloods.
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^I can see Blacks and Malfoys doing that. But makes me wonder why were the Crouches noted as purebloods then, as evidently the father and son were not passionate about purity of blood....

Harry Potter married Ginny Weasley. They had three children, James Sirius, Albus Severus, and Lily Luna. He became head of the Auror's Department under Kingsley Shacklebolt.

Ginny Weasley played quidditch for the Holyhead Harpies. After deciding to raise a family, she retired and became Senior Quidditch correspondent at the Daily Prophet.

Hermione Granger married to Ron Weasely and had two children, Rose and Hugo. Hermione went back to Hogwarts and sat her NEWTS before working for Department for the Regulation and Control of Magical Creatures and helping house elves. She then moved to the Department...