rider vs machine

rider and machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
rider	Yes	No	No	No
machine	Yes	No	Yes	No

rider (noun)	machine (noun)
a clause that is appended to a legislative bill	any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
a traveler who actively rides an animal (as a horse or camel)	a motor vehicle with four wheels; usually propelled by an internal combustion engine
a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it	a device for overcoming resistance at one point by applying force at some other point
a traveler who actively rides a vehicle (as a bicycle or motorcycle)	a group that controls the activities of a political party
	an intricate organization that accomplishes its goals efficiently
	an efficient person

rider (verb)	machine (verb)
	make by machinery
	turn, shape, mold, or otherwise finish by machinery