This is the 12258th most frequent Portuguese word.
românticas
Românticas: Romantic (feminine plural).
In this sentence, 'românticas' is used as an adjective to describe the noun 'histórias', expressing the romantic theme of the stories.
As histórias do livro são muito românticas.
The stories in the book are very romantic.
Here, 'românticas' is an adjective qualifying 'músicas', indicating the romantic mood of the songs.
Elas apreciam músicas românticas durante o jantar.
They enjoy romantic songs during dinner.
In this sentence, 'românticas' describes 'vistas', suggesting that the scenery elicits romantic feelings.