What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

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

What has 88 keys?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

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

You can see it everyday, But cannot touch it at will. What is it?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?