astronautical vs astronautic

astronautical and astronautic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
astronautical	No	Yes	No	No
astronautic	No	Yes	No	No

As adjectives, astronautical and astronautic are synonyms defined as:

astronautical and astronautic: of or belonging to astronauts or the science of astronautics

astronautical (adjective)	astronautic (adjective)
of or belonging to astronauts or the science of astronautics	of or belonging to astronauts or the science of astronautics