Janus N pole S pole ambiguity ambivalence antagonism anteposition antipathy antithesis balance biformity bifurcation bilateral symmetry clashing collision conflict conformity confrontation confrontment congruity conjugation consistency contention contradiction contradistinction contraindication contraposition contrariety contrast correspondence counterposition cross-purposes dichotomy disagreement discrepancy doubleness doublethink doubling dualism duality duplexity duplication duplicity dynamic symmetry equality equilibrium equivocality eurythmics eurythmy evenness finish halving harmony hostility inconsistency inimicalness irony keeping magnetic axis magnetic pole multilateral symmetry negative pole north pole opposing oppositeness opposition opposure oppugnance oppugnancy pairing parallelism perversity polar opposition polarization pole posing against positive pole proportion proportionality regularity repugnance shapeliness showdown south pole symmetricalness symmetry trilateral symmetry twinning two-facedness twoness uniformity