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Diagnose is the correct spelling (to determine the cause).
How do teachers diagnose a learning disability? He can't diagnose the disease if he doesn't know its symptoms. A blood test is used to diagnose thyroid problems.
Yes, "self-diagnose" is hyphenated.
Doctors need to do more testing before they can diagnose anything. With his years of experience, I trust Dr. Kriss to diagnose the disease appropriately. What symptoms led her to diagnose that unusual illness?
The test is also used to diagnose rectal cancer
Doctors diagnose and treat illnesses and conditions. Nurses cannot diagnose, and can only treat patients under the orders of physicians.
in a couple of years time you might have a cancer diagnose
organization diagnose problems with customer service?
A maternal blood test is used to diagnose listeriosis.
A doctor can try to diagnose a condition. He or she then reaches a diagnosis.
The word "diagnose" has one open syllable.