Elliptical Machine Versus Treadmill

elliptical machine
An elliptical trainer (also sometimes called a cross-trainer) is a stationary exercise machine used to simulate walking or running without causing excessive pressure to the joints, hence decreasing the risk of impact injuries.

treadmill
A job or situation that is tiring, boring, or unpleasant and from which it is hard to escape
A device formerly used for driving machinery, consisting of a large wheel with steps fitted into its inner surface. It was turned by the weight of people or animals treading the steps
an exercise device consisting of an endless belt on which a person can walk or jog without changing place
a mill that is powered by men or animals walking on a circular belt or climbing steps
An exercise machine, typically with a continuous belt, that allows one to walk or run in place
a job involving drudgery and confinement

versus
As opposed to; in contrast to
Versus is an American indie rock band formed in 1990 by Richard Baluyut, Fontaine Toups and Edward Baluyut in New York City. Richard and Fontaine were to remain the two core members throughout the band's history.
Versus: Quaderni di studi semiotici (often abbreviated as VS) is an influential semiotic journal in Italy . Founded by Umberto Eco, et al. in 1971 , it has been an important confrontation space for a large number of scholars of several fields coping with signs and signification.
Versus is the 2008 EP release by American alternative metal band Prosevere. It consists of eight tracks (six new and two songs re-recorded from the band's 2007 two-track sampler). It was produced by Dan Martinie and released on July 29, 2009.
Against (esp. in sports and legal use)