motorbus vs charabanc

motorbus and charabanc both are nouns.

Word	Noun	Adjective	Verb	Adverb
motorbus	Yes	No	No	No
charabanc	Yes	No	No	No

As nouns, motorbus and charabanc are synonyms defined as:

motorbus and charabanc: a vehicle carrying many passengers; used for public transport

Other synonyms of motorbus include autobus, bus, coach, double-decker, jitney, motorcoach, omnibus, passenger vehicle.

motorbus (noun)	charabanc (noun)
a vehicle carrying many passengers; used for public transport	a vehicle carrying many passengers; used for public transport