Roget's Thesaurus of English Words and Phrases
This HTML version by Andrew Ritz, Langtech.
CLASS I SECTION III. 2. COMPARATIVE QUANTITY
27. [Sameness of quantity or degree.] Equality -- N. equality, parity, coextension , symmetry, balance, poise; evenness, monotony, level.
28. [Difference of quantity or degree.] Inequality -- N. inequality; disparity, imparity; odds; difference &c 15; unevenness; inclination of the balance, partiality, bias, weight; shortcoming; casting weight, make-weight; superiority &c 33; inferiority &c 34; inequation .
29. Mean -- N. mean, average; median, mode; balance, medium, mediocrity, generality; golden mean &c (mid-course) 628; middle &c 68; compromise &c 774; middle course, middle state; neutrality.
30. Compensation -- N. compensation, equation; commutation; indemnification; compromise; &c 774 neutralization, nullification; counteraction &c 179; reaction; measure for measure, retaliation, &c 718 equalization; &c 27; robbing Peter to pay Paul.