aeromedicine vs aviation medicine

aeromedicine and aviation medicine both are nouns.

Word	Noun	Adjective	Verb	Adverb
aeromedicine	Yes	No	No	No
aviation medicine	Yes	No	No	No

As nouns, aeromedicine and aviation medicine are synonyms defined as:

aeromedicine and aviation medicine: the study and treatment of disorders associated with flight (especially with space flight)

Other synonyms of aeromedicine include aerospace medicine.

aeromedicine (noun)	aviation medicine (noun)
the study and treatment of disorders associated with flight (especially with space flight)	the study and treatment of disorders associated with flight (especially with space flight)