Which letter will be the fifth from the right if the first and the second,the third and the fourth and so on are interchanged in the word $'COMPANIONATE'?$

Each of the following questions is based on the following alphabet series.
$A, B, C, D, E, F, G, H, I, J, K, L, M$
$N, O, P, Q, R, S, T, U, V, W, X, Y, Z$
In the given alphabet,starting from the fifth letter from the left,if twelve letters are written in reverse order,then which letter will be the seventh to the left of the fourteenth letter from the right?

Arrange the words in alphabetical order and select the one that comes second.
Emergency,Entaemology,Ecstasy,Explosion,Eager

Arrange the given names in the order in which they would occur in a telephone directory and choose the one that comes in the middle.

How many independent words can $DETERMINATION$ be divided into without changing the order of the letters and using each letter only once?

How many three-letter meaningful words can be formed from the letters of the word $TEAR$ beginning with $A$ without repeating any letter within that word?