This is the 497th most frequent Indonesian word.
pernikahan
Marriage.
Here, 'pernikahan' refers to the event of marriage or wedding ceremony.
Pernikahan mereka diadakan di pantai yang indah.
Their wedding was held at a beautiful beach.
In this context, 'pernikahan' is used to signify the state or institution of marriage.
Saya percaya bahwa pernikahan adalah komitmen seumur hidup.
I believe that marriage is a lifelong commitment.
Again, 'pernikahan' is used to describe the wedding event but emphasizes the participants in context.