unappeasable vs inexorable

unappeasable and inexorable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unappeasable	No	Yes	No	No
inexorable	No	Yes	No	No

As adjectives, unappeasable and inexorable are synonyms defined as:

unappeasable and inexorable: not to be placated or appeased or moved by entreaty

Other synonyms of unappeasable include grim, relentless, stern, unforgiving, unrelenting.

unappeasable (adjective)	inexorable (adjective)
not to be placated or appeased or moved by entreaty	not to be placated or appeased or moved by entreaty
	impervious to pleas, persuasion, requests, reason