Tax
noun
The tax gold is what you have to pay when you have to pay a tax.
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.
税金でゴルフに参加するとか、ありえなくない？
It's completely unacceptable that he uses our taxes to golf, right?
税金の勉強をしたかったのですが、どうやらフグの私には難しすぎたようです。
I wanted to study taxes, but it looks like it's too difficult for a blowfish like me.
私の両親があなたを養子縁組したのは、ただ税金の控除を受けたかったのが理由です。
My parents only adopted you because they needed the tax deduction.