This is the 13th most frequent Romanian word.
sunt
"Sunt" means "I am" or "they are" in English, depending on the context.
In this sentence, 'sunt' is the first-person singular form of 'to be' (a fi), indicating the speaker's state.
Eu sunt fericit.
I am happy.
Here, 'sunt' is used as the third-person plural form of 'to be' (a fi), showing the existence of the houses in the specified location.
În această zonă sunt multe case frumoase.
In this area, there are many beautiful houses.
In this example, 'sunt' is again the third-person plural indicative of 'to be' (a fi), denoting the existence of certain people with the given preference.