sake-forgo forego forsake=give up

forsake
My friends forsake me like a memory lost;
朋友抛弃我，犹如一段忘却的记忆。
sake
Don't get married just for the sake of it.
不要为结婚而结婚。

forgo
The board members have decided to forgo any salary increase.
董事会成员决定放弃加薪。