Noun
ぶんか
日本の文化にきょうみがあります。
I’m interested in Japanese culture.
この国の文化にはなれましたか？
Have you adapted to the culture of this country yet?
コスプレは日本の文化の一つですか？
Is cosplaying part of Japanese culture?
Writing has changed our entire culture. In fact, when someone reads a good piece of writing it changes them, and changes their culture too. What writing has changed you so much it has changed your culture and the way you act?
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.