Civil, I had to do this in an English question when I was nine.
Polite is correct, politer is not a word. (Wayne is much more polite than Stacy.) - Wrong. Politer is a word. Both forms are possible. Look at the Oxford English dictionary for reference, unfortunately I am not allowed to link to it.
The first two letters of the Greek alphabet are:Αα AlphaΒβ Beta... so the word is... alphabet (a collection of symbols for a written language).
Zimmerman telegram
suffrage a+ls
Ziggarat. Old fashioned government building.
Agreement.
Strange
deserted?
wear out
Single
critic
Strange.
Headache starts and ends with the letters he. Another word is heartache.
crop
ready
ancient
varcious