Decline and Set-back

Decline noun - A gradual sinking and wasting away of mind or body.

Set-back and decline are semantically related In some cases you can use "Set-back" instead a noun "Decline".

Nearby Words: declined, declining, declination, declinable

Set-back noun - Structure where a wall or building narrows abruptly.

Decline and set-back are semantically related in decrease topic. Sometimes you can use "Decline" instead a noun phrase "Set-back".