Collective nouns

Words for a group of something.

His forHeap

A heap is a large pile of similar things, making a big mound. It is also a slang word for a lot of something, for example "I have a heap of homework to do tonight".

His forHerd

A group of horses, cows and groups of many other large four-legged animals is called a herd.

Lis forLepe

A group of leopards is called a lepe or leap.
A group of puppies, kittens or other animals that are born in groups, is called a litter.

Mis forMurder

A group of crows or ravens is called a murder or an unkindness. See also kill.

Ois forOrchard

A group of fruit trees, usually planted in straight rows, is called an orchard.
An orchestra is a large group of people together, all playing musical instruments. There are a particular number of each kind of musical instrument in an orchestra. Orchestras can play beautiful music, and people often go out to a special place like a theatre just to listen to an orchestra play. A person who directs an orchestra is called a conductor.
A group of peacocks is called an ostentation.

Pis forPack

A group of dogs is called a pack. Packing is also a word for filling something with something else.