arresting vs stunning

arresting and stunning both are adjectives.

Word	Noun	Adjective	Verb	Adverb
arresting	No	Yes	No	No
stunning	No	Yes	No	No

As adjectives, arresting and stunning are synonyms defined as:

Other synonyms of arresting include sensational.

arresting (adjective)	stunning (adjective)
commanding attention	strikingly beautiful or attractive
	causing or capable of causing bewilderment or shock or insensibility
	commanding attention
	causing great astonishment and consternation