They will usually give words that are not commonly used, have silent or double letters, and extended words for intimidation (such as unobstructiveness, they add the un- and -ness)
See the related link for a long list of words used in spelling bees.
The correct spelling of the adverb is competitively (in a contest or competition).
That is the correct spelling of the word "challenged."
That is the correct spelling of "competitive" (contentious).
The rules - are essentially what you make them. You could limit the length of words a specific age is expected to spell, or the topic of the words (nature etc). It's entirely up to you what rules you set.
I think you mean spelling bee. It's a contest in which you must spell out loud a spoken word. It's a common event in grammar school.
Spell check or autocorrect
The correct way of spelling this words is: mediterranean
The correct spelling is seventy four.
Spelling bees do not have real-life bees in them. It is just a name of a contest of people who spell words. The people who tell the students to spell the words usually start out with easy words,then they go on about harder. When you get a word wrong,you do not participate anymore,and on. The one that gets the most words right wins.
No it only checks the spelling of the words you have typed.
That is the correct spelling of the word "jewelry" (uncapitalized).
The usual spelling is "fire station," two words.