hunky-dory vs o.k.

hunky-dory and o.k. both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hunky-dory	No	Yes	No	No
o.k.	No	Yes	No	No

As adjectives, hunky-dory and o.k. are synonyms defined as:

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

hunky-dory (adjective)	o.k. (adjective)
being satisfactory or in satisfactory condition	being satisfactory or in satisfactory condition