This is the 8119th most frequent Polish word.
oun
The word "oun" does not exist in Polish; it may be a typo or misinterpretation.
In this sentence, 'OUN' is used as an abbreviation to refer to a specific organization, properly placed as a noun.
OUN była organizacją polityczną w XX wieku.
OUN was a political organization in the 20th century.
Here, 'OUN' is mentioned as a commonly used term or abbreviation in particular contexts.
Często używaliśmy skrótu 'OUN' w rozmowach historycznych.
We often used the abbreviation 'OUN' in historical discussions.
In this case, 'OUN' is inquired about, focusing on its historical founding and purposes.