This is the 448th most frequent Serbian word.
његова
"Његова" means "his" in English.
'Његова' is a possessive adjective indicating ownership and corresponds to 'his' in English.
Његова кућа је велика.
His house is large.
'Његова' modifies 'писања' (writings), again showing possession but adapting in gender and number agreement.
Волим његова писања.
I love his writings.
'Његова' functions to denote possession or association with the noun 'одговорност' (responsibility).