This is the 9319th most frequent Russian word.
судана
"Судана" is not a standalone Russian word; it may refer to a form of the word "Судан" (Sudan), pointing to the country.
Here, 'судана' is used as a proper noun, presumably a name, in the genitive case showing possession or relation.
Судана выразила благодарность за оказанную помощь.
Sudana expressed gratitude for the assistance provided.
In this sentence, 'Судана' is the genitive case of the country name 'Судан', used to indicate possession or reference to Sudan's territory.
На территории Судана происходят климатические изменения.
In the territory of Sudan, climate changes are occurring.
Here, 'Судана' is the genitive case of 'Судан', implying the origin or source of the team.