execration vs abomination

execration and abomination both are nouns.

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

As nouns, execration and abomination are synonyms defined as:

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

execration (noun)	abomination (noun)
the object of cursing or detestation; that which is execrated	an action that is vicious or vile; an action that arouses disgust or abhorrence
an appeal to some supernatural power to inflict evil on someone or some group	hate coupled with disgust
hate coupled with disgust	a person who is loathsome or disgusting