Stratosphere-Atmosphere | Commonly Confused Words

Stratosphere

/ˈstratəˌsfɪə/

A layer of Earth's atmosphere above the troposphere where airplanes often fly

The plane climbed swiftly into the stratosphere.Balloon flights often reach the lower stratosphere.Stars shone brilliantly in the clear stratosphere.

This word has no synonyms

/ˈætməsfɪə/

The layer of gases surrounding a planet, especially the Earth.

There was a family atmosphere.At the exchange, the atmosphere was feverish.This creates an atmosphere of caring, and positive problem-solving.

This word has no antonyms

The stratosphere is a layer of the Earths atmosphere; remember that it starts with an s for second layer.'
The atmosphere is a broader term that refers to the blanket of gases surrounding the Earth, encapsulate both layers.
Think of atmos- in atmosphere as abundant since it covers all layers, while strato- signifies a stratified layer or specific part.