odium vs loathing

odium and loathing both are nouns.

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

As nouns, odium and loathing are synonyms defined as:

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

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