This is the 16704th most frequent Russian word.
скелетов
"Skeletons" (plural form of "skeleton").
The word "скелетов" is used to denote the physical remains of skeletons found in an archaeological context.
В старом замке нашли множество древних скелетов.
In the old castle, many ancient skeletons were found.
The word "скелетов" is used metaphorically to represent past secrets or hidden issues.
Этот шкаф полон секретов и скелетов прошлого.
This closet is full of secrets and skeletons from the past.
Here, "скелетов" refers to anatomical structures of animals used for educational purposes.