Declivity and Nose dive

Declivity noun - A downward slope.

Nose dive and declivity are semantically related In some cases you can use "Nose dive" instead a noun "Declivity".

Nearby Word: declivous

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

Declivity and nose dive are semantically related in descent topic. Sometimes you can use "Declivity" instead a noun phrase "Nose dive", if it concerns topics such as fall.