wheel vs steering system

wheel and steering system both are nouns.

Word	Noun	Adjective	Verb	Adverb
wheel	Yes	No	Yes	No
steering system	Yes	No	No	No

wheel (noun)	steering system (noun)
a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)	a mechanism by which something is steered (especially a motor vehicle)
a circular helm to control the rudder of a vessel
an instrument of torture that stretches or disjoints or mutilates victims
game equipment consisting of a wheel with slots that is used for gambling; the wheel rotates horizontally and players bet on which slot the roulette ball will stop in
a handwheel that is used for steering
a wheeled vehicle that has two wheels and is moved by foot pedals
forces that provide energy and direction

wheel (verb)	steering system (verb)
change directions as if revolving on a pivot
move along on or as if on wheels or a wheeled vehicle
wheel somebody or something
ride a bicycle