dissemblance

from The Collaborative International Dictionary of English v.0.48

Dissemblance \Dis*sem"blance\, n. [Cf. F. dissemblance. See
   {Dissemble}.]
   Want of resemblance; dissimilitude. [R.] --Osborne.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Dissemblance \Dis*sem"blance\, n. [Dissemble + -ance.]
   The act or art of dissembling; dissimulation. [Obs.]
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

81 Moby Thesaurus words for "dissemblance":
      acting, affectation, appearance, attitudinizing, bad copy,
      bad likeness, bluff, bluffing, camouflage, cheating, color,
      coloring, contrast, cunning, deception, delusion, difference,
      discrepancy, disguise, disparity, dissembling, dissimilarity,
      dissimilation, dissimilitude, dissimulation, distinction,
      divergence, divergency, diversity, duplicity, facade, face, fakery,
      faking, false air, false front, false show, falsity, feigning,
      feint, four-flushing, fraud, front, gilt, gloss, guile, humbug,
      humbuggery, imposture, incommensurability, incomparability, makeup,
      masquerade, mere caricature, meretriciousness, nonuniformity,
      ostentation, otherness, outward show, playacting, poor imitation,
      pose, posing, posture, pretense, pretension, pretext,
      representation, seeming, semblance, sham, show, simulacrum,
      simulation, speciousness, unlikeness, unresemblance, unsameness,
      unsimilarity, varnish, window dressing