jaunting car vs jaunty car

jaunting car and jaunty car both are nouns.

Word	Noun	Adjective	Verb	Adverb
jaunting car	Yes	No	No	No
jaunty car	Yes	No	No	No

As nouns, jaunting car and jaunty car are synonyms defined as:

jaunting car and jaunty car: an open two-wheeled one-horse cart formerly widely used in Ireland

jaunting car (noun)	jaunty car (noun)
an open two-wheeled one-horse cart formerly widely used in Ireland	an open two-wheeled one-horse cart formerly widely used in Ireland