Analogous: (adj) Similar in certain qualities, circumstances, or uses
Antithesis: (noun) Direct contrast; opposition
Comparable: (adj) (A) having like traits; similar; equivalent (B) worthy or capable of comparison
Deviate: (verb) To differ or move away from a specified course or prescribed mode of behavior; diverge
Differentiate: (verb) To understand, perceive or show the difference in or between
Disparity: (noun) The condition of being unequal in age, rank, or degree; difference
Heterogeneous: (adj) Consisting of dissimilar elements or parts; miscellaneous; varied
Homogeneous: (adj) (A) consisting of elements of a similar or related nature (B) uniform in structure or composition
Nuance: (noun) A subtle or slight degree of difference, meaning, color, or tone; gradation
Tantamount: (adj) Equivalent in significance, effect, or value