I have eight fingers and two thumbs but I do not live. What Am I?

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

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

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

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

What do you answer even though it never asks you questions?

What English word has three consecutive double letters?

It belongs to you, but other people use it more than you do. What is it?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

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