inconcinnity (ca. 1616): lack of suitability or congruity : INELEGENCE
Its antonym's definition seems more useful:
concinnity (1531): harmony or elegance of design esp. of literary style
in adaptation of parts to a whole or to each other
I hope this helps.
-- Stephen C. Carlson : Poetry speaks of aspirations, email@example.com : and songs chant the words. http://www.mindspring.com/~scarlson/ : -- Shujing 2.35