This is the 941st most frequent Ukrainian word.
небезпеку
Danger.
The noun 'небезпеку' (danger) is used in the context of encountering an unforeseen situation.
Ми не очікували на таку небезпеку під час подорожі.
We did not expect such danger during the trip.
Here, 'небезпеки' is in the genitive case, showing possession or association.
Він зробив усе можливе, щоб уникнути небезпеки.
He did everything possible to avoid danger.
In this sentence, 'небезпеку' indicates a specific threat that is the subject of the warning.