vers-, vert-, -verse, -version, -version, -versation, -versal, -versary, -vert, vort-, vors-

A sensation or feeling dizziness or whirling around including a loss of balance often as a result of looking down from a great height or by some disease affecting the inner ear: "Although he worked as a contractor on tall buildings, he had to be careful not to look down because there were times when he felt vertigo which could cause him to lose his balance."

The other way round; the change being turned.

The order or relation being reversed; in reverse order; conversely.

1. A whirling mass of something; especially, water or air, that draws everything near it toward its center.
2. A place or situation regarded as drawing into its center all that surrounds it.
3. A situation, or feeling, that seems to swamp or engulf everything else.
4. Etymology: from 1652, "whirlpool, eddying mass"; from Latin vortex, variant of vertex, "an eddy of water, wind", or "flame; whirlpool; whirlwind", from the Latin stem of vertere, "to turn".

Resembling a vortex in form or motion; whirling; as, a vortical motion.

1. A short-lived early-20th-century British movement in art and literature that used abstract forms to express concern about the future and the machine age.
2. A short-lived English movement in art and literature that arose in 1914 and was heavily influenced by cubism and futurism.

1. Moving rapidly around a center; vortical (whirlwind, whirlpool, or similarly moving matter in the form of a spiral or column).
2. Whirling, with reference to motion.