Each is the correct spelling.
Cada
no
Yes. Each player has a Field Spell zone, and while the rules state only one Field Spell Card can be active at any one time, this does not prohibit the opponent from Setting a Field Spell Card. Both players may Set one, if they wish.
The correct spelling is "every" (all of a group, each).
lemon - melon
Are you referring to "Dark Red Enchanter"? If you are, his effects are as follows: When this card is Normal Summoned, put 2 Spell Counters on it. Each time a Spell Card is activated, put 1 Spell Counter on this card. It gains 300 ATK for each Spell Counter on it. Once per turn, you can remove 2 Spell Counters from this card to make your opponent discard 1 random card. Hope this helps.
Chinese doesn't have letters, each word is a specific character. It would most likely be the exact same as English.
Americans usually spell buttock as "buttock," which refers to each of the two round fleshy parts that form the backside.
It is called acrostic writing when you spell a word using sentences, where the first letter of each sentence spells out the word.
learn to spell U.S.
The correct spelling is "triannual" (occurring three times each year).
An example of a poem where the first letter of each line spells out a word is an acrostic poem. In an acrostic poem, the first letter of each line combines to spell out a word, message, or name when read vertically.