This is the 213th most frequent Swedish word.
nya
"New."
Here, 'nya' is the definite form of the adjective 'new' and agrees in gender and definiteness with the noun phrase 'sin... bil'.
Han älskar verkligen sin nya bil.
He really loves his new car.
In this example, 'nya' modifies the plural noun 'erfarenheter', showing its plural form.
De fick nya erfarenheter under resan.
They gained new experiences during the trip.
In this sentence, 'nya' is the plural form of the adjective 'new' and is agreeing with the noun 'möbler', which is in plural form.