This is the 4328th most frequent Catalan word.
gòtica
"Gòtica" means "Gothic" in English.
The word 'gòtica' here is used as an adjective to describe the noun 'catedral' (cathedral), specifying its architectural style.
La catedral gòtica és molt impressionant.
The Gothic cathedral is very impressive.
In this sentence, 'gòtica' is an adjective describing the genre of the noun 'novel·la' (novel).
Vaig llegir una novel·la gòtica plena de misteris.
I read a Gothic novel full of mysteries.
Here, 'gòtica' emphasizes a comparison in stylistic representation, modifying the noun 'estil' (style) implicitly.