Happiness
noun, な adjective
With a little luck and happiness you can achieve happiness, though that goes without saying.
こうふく
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.
幸福の科学というしゅう教団体について調べてみました。
I looked up some information about a religious group called Happy Science.
トーフグに幸福をもたらすために、コウイチはじゅう業員全員に幸福のフグのおまもりを一万ドルで買わせようとしました。
In order to bring happiness to Tofugu, Koichi tried to make all of his employees buy a happiness fugu charm for $10,000 each.
彼女は幸運の星のもとに生まれたため、幸福すぎて毎日涙が止まらないんだよ。
She was born under a lucky star and she has so much happiness in her life that she can’t help but cry every day.