Rainstorm vs Thunderstorm

When to use each in English, with meaning, register, and examples.

Rainstorm

Top 3,000 (common)

Thunderstorm

Top 3,000 (common)

	Rainstorm	Thunderstorm
Pronunciation	🇬🇧 //ˈreɪnˌstɔːm// 🇺🇸 //ˈreɪnˌstɔrm//	🇬🇧 //ˈθʌndəstɔːm// 🇺🇸 //ˈθʌndərstɔrm//
Meaning	A heavy rainfall with strong winds and thunder.	A strong storm with lightning and heavy rain.
Example	The rainstorm caused flooding throughout the city.	The thunderstorm last night kept me awake with its loud noise.
Register	Neutral	Neutral
How common	Top 3,000 (common)	Top 3,000 (common)
Collocations	severe rainstorm, heavy rainstorm, unexpected rainstorm, violent rainstorm	severe thunderstorm, thunderstorm warning, thunderstorm watch
Common mistakes	Confusing 'rainstorm' with 'thunderstorm' - a rainstorm can occur without thunder., Using 'rainstorm' in place of 'shower' - a rainstorm is much heavier.	Saying 'thunder' storm instead of 'thunderstorm'., Confusing with 'rainstorm' which may lack thunder., Using 'thunderstorm' to refer to any storm.
Usage notes	Commonly used in everyday conversation and news reports. Not typically used in formal writing.	Commonly used in everyday conversation and weather reports. Avoid in formal writing about unrelated topics.

Frequently asked questions: Rainstorm vs Thunderstorm

What's the difference between Rainstorm and Thunderstorm?

Rainstorm: A heavy rainfall with strong winds and thunder. Thunderstorm: A strong storm with lightning and heavy rain.

Can you show an example of each?

Rainstorm: The rainstorm caused flooding throughout the city. Thunderstorm: The thunderstorm last night kept me awake with its loud noise.

Can I use Rainstorm and Thunderstorm interchangeably?

Not always. Rainstorm and Thunderstorm are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.