Words that start with C

A container is something you can put other things inside, to transport or store them.

Something is contented if they are happy with what they have, and don't want more. The cat in the picture is contentedly sleeping on a woman's lap.
Content is also the word for everything that is inside a container.

A contortionist is someone who can bend their body into positions that most people cannot do. Contortionists are often part of a circus act, or perform on the street for money.

Contrast is a way of describing the differences between two things, for example "contrast the living conditions in Africa and Switzerland". It can be used to talk about any two things that are different.
The beetle and leaf in the foreground are in strong contrast against the red background.

A convent is a place where a community of religious people live. In past times it could mean men or women, but today it usually means somewhere a community of religious women, or nuns live.

A surface is convex if it curves outwards, forming a mound. Mirrors are often made convex so that they offer a larger field of view.
The opposite of convex is concave.

Cooing is the noise a dove or pigeon makes. It is also the noises people make when they are fussing over a baby or a romantic partner.

A cookie is a sweet, baked food. Cookies are usually round and baked until they are crisp, and come in lots of different flavours. They are usually made with flour, sugar, butter and eggs and possibly spices, chocolate, nuts or dried fruit.
In some countries, cookies are called biscuits. If you think a biscuit is completely different to a cookie, you would probably consider a biscuit a kind of scone.

A coop is a cage, generally in the ground, for keeping animals like chickens inside.
To coop up means to keep someone in a small space, for example "my apartment is so small I'm all cooped up in there".

A cop is a slang word that is short for a police officer.