This is the 15663rd most frequent Russian word.
принадлежащая
"Belonging"
Describing ownership of the book by the sister.
Книга, принадлежащая моей сестре, лежит на столе.
The book belonging to my sister is lying on the table.
Figurative use, indicating being a member of a group.
Она подчеркнула важность принадлежности к группе.
She emphasized the importance of belonging to a group.
Indicating ownership of the building by the university.