hansom cab vs hansom

hansom cab and hansom both are nouns.

Word	Noun	Adjective	Verb	Adverb
hansom cab	Yes	No	No	No
hansom	Yes	No	No	No

As nouns, hansom cab and hansom are synonyms defined as:

hansom cab and hansom: a two-wheeled horse-drawn covered carriage with the driver's seat above and behind the passengers

hansom cab (noun)	hansom (noun)
a two-wheeled horse-drawn covered carriage with the driver's seat above and behind the passengers	a two-wheeled horse-drawn covered carriage with the driver's seat above and behind the passengers