abominable vs execrable

abominable and execrable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
abominable	No	Yes	No	No
execrable	No	Yes	No	No

As adjectives, abominable and execrable are synonyms defined as:

Other synonyms of abominable include detestable, odious.

abominable (adjective)	execrable (adjective)
exceptionally bad or displeasing	deserving to be execrated
unequivocally detestable	unequivocally detestable
	of very poor quality or condition