Faintness and Shake-up

Faintness noun - The quality or state of lacking physical strength or vigor.

Shake-up and faintness are semantically related. In some cases you can use "Shake-up" instead a noun "Faintness".

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

Faintness and shake-up are semantically related. Sometimes you can use "Faintness" instead a noun phrase "Shake-up".