atrioventricular vs auriculoventricular

atrioventricular and auriculoventricular both are adjectives.

Word	Noun	Adjective	Verb	Adverb
atrioventricular	No	Yes	No	No
auriculoventricular	No	Yes	No	No

As adjectives, atrioventricular and auriculoventricular are synonyms defined as:

atrioventricular and auriculoventricular: relating to or affecting the atria and ventricles of the heart

atrioventricular (adjective)	auriculoventricular (adjective)
relating to or affecting the atria and ventricles of the heart	relating to or affecting the atria and ventricles of the heart