seasick vs airsick

seasick and airsick both are adjectives.

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

As adjectives, seasick and airsick are synonyms defined as:

Other synonyms of seasick include air sick, carsick.

seasick (adjective)	airsick (adjective)
experiencing motion sickness	experiencing motion sickness