Heartbreak
Part of speech: noun
Definition: overwhelming mental anguish or grief, especially that caused by loss or disappointment
Example sentence: Every single one of us will have our life interrupted, whether it's by the ripcord of a diagnosis or some other kind of heartbreak or trauma that brings us to the floor. We need to find a way to live in the in-between place, managing whatever body and mind we currently have.
Heartache
Part of speech: noun
Definition: Very sincere and difficult emotional problems or stress
Example sentence: Every adversity, every failure, every heartache carries with it the seed of an equal or greater benefit.