coach vs rider

coach and rider both are nouns.

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

coach (noun)	rider (noun)
a carriage pulled by four horses with one driver	a clause that is appended to a legislative bill
a railcar where passengers ride	a traveler who actively rides an animal (as a horse or camel)
a vehicle carrying many passengers; used for public transport	a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it
a person who gives private instruction (as in singing, acting, etc.)	a traveler who actively rides a vehicle (as a bicycle or motorcycle)
(sports) someone in charge of training an athlete or a team

coach (verb)	rider (verb)
teach and supervise (someone); act as a trainer or coach (to), as in sports
drive or operate a coach or carriage