Break up and Grind down

Break up verb - To cease to exist or cause to cease to exist as a group or organization.

Grind down and break up are semantically related. In some cases you can use "Grind down" instead a verb "Break up".

Grind down verb - To subject to incapacitating emotional or mental stress.

Break up and grind down are semantically related. Sometimes you can use "Break up" instead a verb "Grind down".