hunky-dory vs ok

hunky-dory and ok both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hunky-dory	No	Yes	No	No
ok	No	Yes	No	No

As adjectives, hunky-dory and ok are synonyms defined as:

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

hunky-dory (adjective)	ok (adjective)
being satisfactory or in satisfactory condition	being satisfactory or in satisfactory condition