This is the 715th most frequent Dutch word.
pro
The Dutch word "pro" refers to a "professional" or "expert."
'Pro' here is used as slang, derived from 'professional', to indicate someone is very skilled at something.
Hij is echt pro als het gaat om programmeren.
He is really pro when it comes to programming.
'Pro' is used here as an abbreviation for 'professional' to describe an advanced or full-featured version of a product.
Ik heb de pro versie van deze software gekocht.
I bought the pro version of this software.
'Pro' in this case is a prefix meaning 'in favor of', indicating support or advocacy for something.