Gradient and Tailspin

Gradient noun - The degree to which something rises up from a position level with the horizon.

Tailspin and gradient are semantically related In some cases you can use "Tailspin" instead a noun "Gradient".

Tailspin noun - A mental or nervous collapse.

Gradient and tailspin are semantically related in lowering topic. Sometimes you can use "Gradient" instead a noun "Tailspin".