Simple riddles with simple answers

What is the similarity between a tooth and a tree?

What has a head like a cat, feet like a cat, a tail like a cat, but isn't a cat?

I go around in circles, but always go straight ahead. I never ever complain, no matter where I am lead

What tastes better than it smells?

What's orange and sounds like 'parrot'?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

I create my lair with earthen string and dispatch my prey with a biting sting. What am I?

Name the only sport in which the ball is always in possession of the team on defense, and the offensive team can score without touching the ball?

It is an insect, and the first part of its name is the name of another insect. What is it?

Brothers, all pair up; Bodies firm and tall. You only care to eat the solid food, And don’t care to eat the soup.