detestation vs loathing

detestation and loathing both are nouns.

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

As nouns, detestation and loathing are synonyms defined as:

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

detestation (noun)	loathing (noun)
hate coupled with disgust	hate coupled with disgust