Breathing vs Respiratory

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

Breathing

Top 2,000 (common)B1noun

Respiratory

FormalTop 2,000 (common)
Most formal: Respiratory
 BreathingRespiratory
Pronunciation🇬🇧 /["/ˈbriːðɪŋ/"]/🇺🇸 /["/ˈbriːðɪŋ/"]/🇬🇧 //ˌrɛspəˈrətəri//🇺🇸 //ˌrɛspəˈrɛtɔri//
MeaningThe act of taking air into and out of your lungs.Related to breathing and the lungs.
ExampleHer breathing became steady and she fell asleep.The respiratory system is crucial for breathing and supplying oxygen.
RegisterNeutralFormal
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB1-
Part of speechnoun
Collocationsdeep, shallow, controlled, control, regulate, quicken, slow, slow down, apparatus, difficulties, problemsrespiratory issues, respiratory diseases, respiratory function, respiratory distress, respiratory care
Antonymssuffocation, asphyxiation-
Common mistakesConfusing 'breathing' as a noun with 'breathe', which is a verb., Using 'breathing' when referring to a breath, which is a single instance of drawing air., Incorrectly spelling it as 'breething'.Confused with 'respirator', which is a device for breathing., Using it in non-medical contexts incorrectly., Spelling mistakes, such as 'respiritory'.
Usage notesUsed in both everyday conversation and more serious contexts. Not typically used in slang. Can describe both voluntary and involuntary actions.Used primarily in medical contexts. Avoid casual conversation. Can describe diseases or conditions related to the lungs.

See it in real clips

Breathing
Respiratory

Frequently asked questions: Breathing vs Respiratory

What's the difference between Breathing and Respiratory?

Breathing: The act of taking air into and out of your lungs. Respiratory: Related to breathing and the lungs.

Which is more formal: Breathing and Respiratory?

Respiratory is the most formal of these.

Can you show an example of each?

Breathing: Her breathing became steady and she fell asleep. Respiratory: The respiratory system is crucial for breathing and supplying oxygen.

Can I use Breathing and Respiratory interchangeably?

Not always. Breathing and Respiratory 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.