The difference between Kidnap and Rescue

When used as nouns, kidnap means an instance of kidnapping, whereas rescue means an act or episode of rescuing, saving.

When used as verbs, kidnap means to seize and detain a person unlawfully, whereas rescue means to save from any violence, danger or evil.

check bellow for the other definitions of Kidnap and Rescue

Kidnap as a verb (transitive):

To seize and detain a person unlawfully; sometimes for ransom.

Rescue as a verb:

To save from any violence, danger or evil.

Examples:

"The well-trained team rescued everyone after the avalanche."
Rescue as a verb:

To free or liberate from confinement or other physical restraint.

Examples:

"to rescue a prisoner from the enemy''."
Rescue as a verb:

To recover forcibly.
Rescue as a verb:

To deliver by arms, notably from a siege.
Rescue as a verb (figuratively):

To remove or withdraw from a state of exposure to evil and sin.

Examples:

"Traditionally missionaries aim to rescue many ignorant heathen souls."
Rescue as a verb (figuratively):

To achieve something positive under difficult conditions.

Rescue as a noun:

An act or episode of rescuing, saving.
Rescue as a noun:

A liberation, freeing.
Rescue as a noun:

The forcible ending of a siege; liberation from similar military peril

Examples:

"The rescue of Jerusalem was the original motive of the Crusaders"
Rescue as a noun:

A special airliner flight to bring home passengers who are stranded
Rescue as a noun:

A rescuee.

Examples:

"The dog was a rescue with some behavior issues."