This is the 2999th most frequent Russian word.
достижении
Achievement.
"Достижении" is used in the prepositional case to describe the context or scope related to the noun "results."
В достижении результатов важно быть терпеливым.
In achieving results, it's important to be patient.
"Достижении" is again in the prepositional case, associated with "успеха," defining the realm or field of the achievement.
Поддержка друзей сыграла важную роль в его достижении успеха.
The support of friends played a significant role in his achieving success.
Here, "достижении" is used in the prepositional case, indicating the process or context of achieving something (goals).