Ill luck and Mishap

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

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

Mishap noun - A chance and usually sudden event bringing loss or injury.

Ill luck and mishap are semantically related in misfortune topic. You can use "Ill luck" instead a noun "Mishap".