Ill luck and Setback

Ill luck noun - An unfortunate state resulting from unfavorable outcomes.

Setback and ill luck are semantically related. in accident topic. In some cases you can use "Setback" instead a noun phrase "Ill luck", when it comes to topics like rotten break.

Setback noun - A change in status for the worse usually temporarily.

Ill luck and setback are semantically related. You can use "Ill luck" instead a noun "Setback".