execration vs odium

execration and odium both are nouns.

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

As nouns, execration and odium are synonyms defined as:

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

execration (noun)	odium (noun)
the object of cursing or detestation; that which is execrated	hate coupled with disgust
an appeal to some supernatural power to inflict evil on someone or some group	state of disgrace resulting from detestable behavior
hate coupled with disgust