What context can I use each word in?
Learn when and how to use these words with these examples!
diagnosis
Example
The doctor made a diagnosis of pneumonia based on the patient's symptoms and X-ray results. [diagnosis: noun]
Example
The mechanic's diagnosis was that the car's engine needed a new part. [diagnosis: noun]
investigation
Example
The police launched an investigation into the robbery at the bank. [investigation: noun]
Example
The researcher conducted an investigation into the effects of climate change on marine life. [investigation: noun]
Good things to know
Which word is more common?
Diagnosis is more commonly used in medical contexts, while investigation is more versatile and can be used in a wider range of contexts.
What’s the difference in the tone of formality between diagnosis and investigation?
Investigation is often associated with a formal or serious tone, while diagnosis can be used in both formal and informal contexts, depending on the situation.
