coach vs passenger

coach and passenger both are nouns.

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

coach (noun)	passenger (noun)
a carriage pulled by four horses with one driver	a traveler riding in a vehicle (a boat or bus or car or plane or train etc) who is not operating it
a railcar where passengers ride
a vehicle carrying many passengers; used for public transport
a person who gives private instruction (as in singing, acting, etc.)
(sports) someone in charge of training an athlete or a team

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