Could it be Bicycle (each pair of "cycle" = cycles, and two pairs would be Bicycles).
bi
It can affect the Carbon Cycle, Nitrogen Cycle and Water Cycle.
water cycle
Another name for the water cycle is the hydrologic cycle.
It is Tricycle
Water Cycle does not have an Antonym as such... Antonym usually refers to an opposite meaning... Of which water cycle really has none... However if you are asking for an antonym for cycle there are a few. Such as stillness, immobile, innert, unmoving, frozen and stiff.
quadricycle?
aimillre
Chiken
spectrum
Chiken
Mountain range
I like purple
bio feedback
Lazily
Notice
missing temps
two U's day - Tuesday?