Webster’s Revised Unabridged Dictionary · 1913
Dissemblance
Dis·sem′blance (dĭs·sĕm′blans), n. [Cf. F. dissemblance. See Dissemble.] Want of resemblance; dissimilitude. [R.] Osborne.
Dis·sem′blance, n. [Dissemble + -ance.] The act or art of dissembling; dissimulation. [Obs.]