apposition

coherence cohesion compatibility fitness harmony stability steadiness uniformity unity

accord agreement appropriateness aptness concord concurrence congruity consonance correspondence evenness homogeneity invariability likeness proportion similarity steadfastness suitability symmetry union

conformability

disagreement discord fighting

difference disproportion dissimilarity imbalance opposition unevenness unlikeness

erraticism incongruity inconsistency inconstancy irregularity variation

agreement contact

abutment concourse confluence conjunction connection crossing joining junction juxtaposition unification union

disconnection division separation