(n.) The quality or state of being incompatible; inconsistency; irreconcilableness.

Discordia Eris ambiguity ambivalence antinomy asymmetry autism bashfulness chill chilliness clash clashing coldness conflict contention contrariety contrast coolness departure deviation difference disaccord disaccordance disaffinity disagreement disconformity discongruity discord discordance discordancy discrepancy discreteness disharmony disparity disproportion disproportionateness dissent dissimilarity dissociability dissonance distinction distinctness divergence divergency diversity enmity equivocality far cry friction frost heresy heterodoxy heterogeneity iciness inaccordance incoherence incommensurability incompatibleness incongruity inconsistency inconsonance inequality inharmoniousness inharmony inhospitality inimicality insociability irreconcilability jangle jar mischief mixture mopishness moroseness nonconformability nonconformity noncooperation odds open conflict opposition otherness oxymoron paradox personal conflict rub self-containment self-contradiction self-sufficiency separateness social incompatibility strain strained relations sullenness tension unamiability uncommunicativeness uncompanionability unconformability unconformity uncongeniality uncordiality unfriendliness ungeniality ungregariousness unharmoniousness unlikeness unorthodoxy unpleasantness unsociability unsociableness variance variation variegation variety