odium, odious (Latin: hatred, hateful, hate; bitterness; disgusting; offensive; opprobrium; annoyance).
Odium is a part of several Latin phrases with the central idea of "hate", "bitterness", or "offense":
The bitter rivalry among artists and writers.
The bitter rivalry among physicians of one speciality as opposed to another field of treatment or medical controversies that result in hatred.
The hatred of (rival) musicians; the bitterness of musical styles.
The spitefulness and hatreds resulting from scholarly disputes.
A mutual antagonism (sometimes hatred?) among theologians as a result of acrimony based on differences in doctrinal interpretations or other religious differences. Many odium theologicum animosities have resulted in bloody-religious wars over the centuries; some of which continue to this day.