Nose dive and Skydive

Nose dive noun - A steep nose-down descent by an aircraft.

Skydive and nose dive are semantically related. In some cases you can use "Skydive" instead a noun phrase "Nose dive".

Skydive verb - Jump from an airplane and perform various maneuvers before opening one's parachute.

Nose dive and skydive are semantically related. Sometimes you can use "Nose dive" instead a noun "Skydive".