This is the 5387th most frequent Portuguese word.
russas
"Russas" means "Russian women" or refers to the city named Russas in Brazil.
In this sentence, 'russas' refers to women from Russia, serving as a feminine plural noun.
As russas são conhecidas pela sua beleza.
Russian women are known for their beauty.
Here, 'russos' (masculine plural) is used as an adjective to describe films originating from Russia. 'Russas' would be the feminine plural counterpart if the noun was feminine, like 'partes russas' (Russian parts).
Eu gosto de assistir filmes russos.
I like watching Russian films.
In this case, 'russas' functions as an adjective in the feminine plural form to describe trips related to Russia, aligning with the noun 'viagens' which is feminine plural.