This is the 1054th most frequent Russian word.
окончания
Endings or suffixes.
In this sentence, the word 'окончания' is used to refer to grammatical endings of nouns that change based on case, number, and gender.
Я изучаю правильное употребление окончаний существительных в русском языке.
I am studying the correct usage of noun endings in Russian.
Here, 'окончание' means 'ending' and refers to the conclusion or final part of a narrative, such as a movie.
В финале кинофильма неожиданное окончание удивило всех зрителей.
In the finale of the movie, the unexpected ending surprised all viewers.
In this context, 'окончание' denotes 'completion' of a process or action, emphasizing the state of being finished.