steering wheel vs handwheel

steering wheel and handwheel both are nouns.

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

As nouns, handwheel is a hypernym of steering wheel; that is, handwheel is a word with a broader meaning than steering wheel:

steering wheel: a handwheel that is used for steering
handwheel: control consisting of a wheel whose rim serves as the handle by which a part is operated

steering wheel (noun)	handwheel (noun)
a handwheel that is used for steering	control consisting of a wheel whose rim serves as the handle by which a part is operated
	a wheel worked by hand