Pulmonary vs Respiratory

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

Pulmonary

FormalTop 5,000 (fairly common)

Respiratory

FormalTop 2,000 (common)
Most common: Respiratory
 PulmonaryRespiratory
Pronunciation🇬🇧 //ˈpʌlmənəri//🇺🇸 //ˈpʌlmənɛri//🇬🇧 //ˌrɛspəˈrətəri//🇺🇸 //ˌrɛspəˈrɛtɔri//
MeaningRelated to the lungsRelated to breathing and the lungs.
ExampleThe pulmonary system is essential for breathing.The respiratory system is crucial for breathing and supplying oxygen.
RegisterFormalFormal
How commonTop 5,000 (fairly common)Top 2,000 (common)
Collocationspulmonary disease, pulmonary function, pulmonary arteryrespiratory issues, respiratory diseases, respiratory function, respiratory distress, respiratory care
Common mistakesConfused with 'pulmonary' and 'pulmonic' which have different meanings., Used as a noun instead of an adjective., Mispronunciation of the word.Confused with 'respirator', which is a device for breathing., Using it in non-medical contexts incorrectly., Spelling mistakes, such as 'respiritory'.
Usage notesUsed mainly in medical contexts. May not be appropriate in casual conversations unless discussing health issues.Used primarily in medical contexts. Avoid casual conversation. Can describe diseases or conditions related to the lungs.

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Pulmonary
Respiratory

Frequently asked questions: Pulmonary vs Respiratory

What's the difference between Pulmonary and Respiratory?

Pulmonary: Related to the lungs Respiratory: Related to breathing and the lungs.

Which is more common: Pulmonary and Respiratory?

Respiratory is the most common in everyday English.

Can you show an example of each?

Pulmonary: The pulmonary system is essential for breathing. Respiratory: The respiratory system is crucial for breathing and supplying oxygen.

Can I use Pulmonary and Respiratory interchangeably?

Not always. Pulmonary 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.