How do you spell Progression?
Correct spelling
progression
Two S's. PROGRESS + ION.
Why is progression spelled this way?
From Latin progressio, a going forward. PRO (forward) + GRADI (to step). Progression steps forward steadily — advancement measured one step at a time.
Common misspellings of progression
progresionprogreesionprogressoinproggression
Example
The disease showed rapid progression.