The capacity to perform a specific function is called energy.

The collection of symptoms indicating a specific ailment is called a syndrome.

The collection of notes of sound that seems pleasant to your hearing is music.

Acting with sympathy and compassion for animals is acting humane.

When people get together after a long absence, it's called a reunion.

A portable type of light is called a lantern.

Something of high importance to you is your top priority.

A type of honking noise coming from your nose is called a snort.

An unpleasant sound or a disturbance is often called noise.

The closing off of a city or port to prevent passage is called a blockade.