execrable vs detestable

execrable and detestable both are adjectives.

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

As adjectives, execrable and detestable are synonyms defined as:

Other synonyms of execrable include abominable, odious.

execrable (adjective)	detestable (adjective)
deserving to be execrated	unequivocally detestable
unequivocally detestable	offensive to the mind
of very poor quality or condition