execration vs anathema

execration and anathema both are nouns.

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

As nouns, anathema is a hyponym of execration; that is, anathema is a word with a more specific, narrower meaning than execration:

execration: an appeal to some supernatural power to inflict evil on someone or some group
anathema: a formal ecclesiastical curse accompanied by excommunication

Other hyponyms of execration include imprecation, malediction.

execration (noun)	anathema (noun)
the object of cursing or detestation; that which is execrated	a formal ecclesiastical curse accompanied by excommunication
an appeal to some supernatural power to inflict evil on someone or some group	a detested person
hate coupled with disgust