This is the 18405th most frequent Korean word.
승진이
"승진이" is not a standard Korean word. It may be a name or require context for interpretation.
Here, '승진이' is used as a proper noun referring to a person's name.
승진이는 이번에 직장에서 큰 승진을 받았어요.
Seungjin received a significant promotion at work this time.
In this context, '승진' represents the act of promotion, and adding '이' turns it into a subject marking particle.
직장의 승진이 예상보다 빨라서 놀랐어요.
The promotion at work was faster than expected, so I was surprised.
Here, '승진이' is mentioned as a proper noun to discuss its usage as a name.