This is the 82nd most frequent Catalan word.
nova
"Nova" in Catalan means "new" (feminine).
The word 'nova' is an adjective modifying the noun 'oportunitat' (opportunity), describing it as 'new'.
Aquesta és una nova oportunitat per començar.
This is a new opportunity to start.
Here, 'nova' is an adjective agreeing in gender and number with 'casa' (house), indicating that the house is 'new'.
Hem construït una casa nova al poble.
We have built a new house in the village.
In this sentence, 'nova' is an adjective describing 'perspectiva' (perspective), also agreeing in gender to specify the perspective as 'new'.