Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.

Class I. Words Expressing Abstract Relations
Section II. Relation
3. Partial Relation

18. Dissimilarity.

   NOUN:DISSIMILARITY, dissimilitude; unlikeness, diversity, disparity, dissemblance; divergence, variation; difference [See Difference]; novelty, originality; creativeness; oögamy.
   VERB:BE UNLIKE &c. adj.; vary (differ) [See Difference]; bear no resemblance to, differ toto cælo [L.].
  RENDER UNLIKE &c. adj.; vary (diversify) [See Change].
   ADJECTIVE:DISSIMILAR, unlike, disparate; divergent, nonidentical, unidentical; of a different kind (class) [See Class]; unmatched, unique; new, novel; unprecedented [See Unconformity]; original.
  nothing of the kind; no such thing, quite another thing; far from it, other than, cast in a different mold, tertium quid [L.], as like a dock as a daisy, “very like a whale” [Hamlet]; as different as chalk from cheese, as different as Macedon and Monmouth; lucus a non lucendo [L.].
  diversified [See Nonuniformity]
   ADVERB:OTHERWISE, elsewise; alias.
  1. Dis aliter visum.
  2. No more like my father Than I to Hercules.—Hamlet
  3. It is a custom More honoured in the breach than in the observance.—Hamlet
  4. Agreed to differ.—Southey