What is so fragile that saying its name breaks it?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

What will you call your mother's brother's brother-in-law?

I look at you, you look at me, I raise my right, you raise your left. What am I?

What runs around the whole yard without moving?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

I taste better than I can smell. Who am I?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

By using 'because' continuously three times, can you make an English statement ?