Crash landing and Crash-landing

Crash landing noun - An emergency landing under circumstances where a normal landing is impossible (usually damaging the aircraft).

Crash-landing and crash landing are semantically related. In some cases you can use "Crash-landing" instead a noun phrase "Crash landing".

Crash landing and crash-landing are semantically related. Sometimes you can replace phrase "Crash landing" with "Crash-landing", this phrases are similar.