airsick vs carsick

airsick and carsick both are adjectives.

Word	Noun	Adjective	Verb	Adverb
airsick	No	Yes	No	No
carsick	No	Yes	No	No

As adjectives, airsick and carsick are synonyms defined as:

Other synonyms of airsick include air sick, seasick.

airsick (adjective)	carsick (adjective)
experiencing motion sickness	experiencing motion sickness