loathing vs odium

loathing and odium both are nouns.

Word	Noun	Adjective	Verb	Adverb
loathing	Yes	No	No	No
odium	Yes	No	No	No

As nouns, loathing and odium are synonyms defined as:

Other synonyms of loathing include abhorrence, abomination, detestation, execration.

loathing (noun)	odium (noun)
hate coupled with disgust	hate coupled with disgust
	state of disgrace resulting from detestable behavior