WordRel.com

• the quality of being unlike or dissimilar

  antonym	sameness
  derivation	differdifferentdifferentialdifferentiatedifferentiatedifferentiatedifferentiate
  attribute	different
  hypernym	quality
  hyponym	changedifferentiadifferentialdisagreementdiscrepancydissimilaritydistinctiondistinctnessdivergenceinequalityothernessseparatenessunconstitutionalityunsimilarityvariancevariety

• a disagreement or argument about something important

  synonym	conflictdifference of opiniondispute
  derivation	differ
  hypernym	disagreement
  hyponym	arguingargumentcollisioncontentioncontestationcontroversydisceptationdisputationdustupgapquarrelrowrun-intiltwordswrangle

• a variation that deviates from the standard or norm

  synonym	departuredeviationdivergence
  derivation	differentiatedifferentiatedifferentiate
  hypernym	fluctuationvariation
  hyponym	discrepancydriftageflectionflexioninflectionvariancevariant

• the number that remains after subtraction; the number that when added to the subtrahend gives the minuend

  synonym	remainder
  hypernym	number
  hyponym	balancedenivelationsolvency margin

• a significant change

  derivation	differentialdifferentiatedifferentiate
  hypernym	change