This word is used as a postposition.

Acetylcholine is one of the neurotransmitters.

His actions left ruin for his family.

The inner core of the Earth is extremely hot and is mainly composed of iron and nickel.

I am eagerly waiting for the good news from him.

Cain is considered the first murderer in the Bible.

Finding the Summer Triangle is helpful for remembering constellations.

The Winter Triangle is shining in the night sky.

The buyer for this house has not been found yet.

My father underwent surgery for hemorrhoids.