Flame out and Flame-out

Flame out verb - To be unsuccessful.

Flame-out and flame out are semantically related. In some cases you can replace phrase "Flame-out" with "Flame out", this terms are similar.

Flame-out noun - The failure of a jet engine caused by an interruption of the fuel supply or by faulty combustion.

Flame out and flame-out are semantically related. You can use "Flame out" instead a verb phrase "Flame-out".