auriculoventricular vs atrioventricular

auriculoventricular and atrioventricular both are adjectives.

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

As adjectives, auriculoventricular and atrioventricular are synonyms defined as:

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

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