inexorable vs unrelenting

inexorable and unrelenting both are adjectives.

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

As adjectives, inexorable and unrelenting are synonyms defined as:

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

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

inexorable (adjective)	unrelenting (adjective)
not to be placated or appeased or moved by entreaty	never-ceasing
impervious to pleas, persuasion, requests, reason	not to be placated or appeased or moved by entreaty
	punishingly harsh