frankness vs directness

frankness and directness both are nouns.

Word	Noun	Adjective	Verb	Adverb
frankness	Yes	No	No	No
directness	Yes	No	No	No

As nouns, frankness and directness are synonyms defined as:

frankness and directness: the quality of being honest and straightforward in attitude and speech

Other synonyms of frankness include candidness, candor, candour, forthrightness.

frankness (noun)	directness (noun)
the quality of being honest and straightforward in attitude and speech	trueness of course toward a goal
the trait of being blunt and outspoken	the quality of being honest and straightforward in attitude and speech