loathing vs execration

loathing and execration both are nouns.

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

As nouns, loathing and execration are synonyms defined as:

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

loathing (noun)	execration (noun)
hate coupled with disgust	the object of cursing or detestation; that which is execrated
	an appeal to some supernatural power to inflict evil on someone or some group
	hate coupled with disgust