Radical alteration and Shake-up

Shake-up and radical alteration are semantically related. In some cases you can use "Shake-up" instead a noun phrase "Radical alteration".

Shake-up noun - The imposition of a new organization; organizing differently (often involving extensive and drastic changes).

Radical alteration and shake-up are semantically related. You can use "Radical alteration" instead a noun phrase "Shake-up".