[n] the quality of disagreeing; being unsuitable and inappropriate
incongruousness
congruence, congruity, congruousness
absurdity, absurdness, ambiguity, ambivalence, antilogy, antinomy, asymmetry, bizarreness, bizarrerie, contrariety, contrast, departure, deviation, difference, disaccord, disaccordance, disagreement, disconformity, discongruity, discordance, discrepancy,