How do you spell Diphtheria?
Correct spelling
diphtheria
Remember the Greek 'phth' - like leather (diphthera), it's tough to pronounce but essential.
Why is diphtheria spelled this way?
From Greek diphthera, leather. The disease creates a leather-like membrane in the throat. The 'phth' cluster (as in ophthalmologist) is the spelling nightmare.
Common misspellings of diphtheria
diptheriadiphthiradifteriadiphteria
Example
The child received a vaccination to prevent diphtheria and other serious diseases.