This is the 464th most frequent Romanian word.
noaptea
The Romanian word "noaptea" means "the night" in English.
In this sentence, 'noaptea' is used adverbially to indicate the time of the action, 'at night'.
Merg la plimbare noaptea.
I go for a walk at night.
The word 'noaptea' is used to set the time of the action in a descriptive, standalone expression of time.
Noaptea, stelele strălucesc pe cer.
At night, the stars shine in the sky.
Here, 'noaptea' is the subject of the sentence and means 'the night' in general, described using adjectival phrases.