This is the 8451st most frequent Russian word.
наций
"Наций" is the genitive plural form of "нация," meaning "nations" or "of nations."
The word "наций" is used in the genitive plural form here to represent "of nations," showing possession or relation.
Объединение наций способствует мировому миру.
The union of nations promotes global peace.
"Наций" is used in the nominative plural context here, indicating the subject—nations—and emphasizing the plurality.
У наций есть свои уникальные традиции и культура.
Nations have their unique traditions and culture.
"Наций" in this sentence is a plural genitive form functioning to indicate "of different nations," showing ownership or association with histories.