Noun and する verb
せいこう
気にするなって。失ぱいは成功のもとだよ。
Don't worry. Failure teaches success.
新しいお仕事での成功をおいのりしています。
I wish you success in your new job.
「ビジネスで成功したければ、型にはまらない考え方をしなさい」と言われて、カレー味の歯磨き粉を思いついたんだ。
I created a curry-flavored toothpaste when I was told, "If you want to be successful in business you need to think outside the box."
When you become achievement, you have probably gained plenty of success.
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.