ok vs all right

ok and all right both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ok	No	Yes	No	No
all right	No	Yes	No	Yes

As adjectives, ok and all right are synonyms defined as:

Other synonyms of ok include cool, fine, hunky-dory, o.k., okay.

ok (adjective)	all right (adjective)
being satisfactory or in satisfactory condition	being satisfactory or in satisfactory condition

ok (adverb)	all right (adverb)
	an expression of agreement normally occurring at the beginning of a sentence
	without doubt (used to reinforce an assertion)
	in a satisfactory or adequate manner