This is the 865th most frequent Vietnamese word.
ngọt
Sweet.
In this sentence, the word 'ngọt' is used as an adjective to describe the sweetness of a fruit.
Trái cây này rất ngọt.
This fruit is very sweet.
Here, 'ngọt' (in the form 'ngọt ngào') is used metaphorically to describe a pleasing and melodious voice.
Cô ấy có một giọng nói ngọt ngào.
She has a sweet voice.
In this case, 'ngọt' is part of 'ngọt ngào,' describing harmonious and affectionate living.