inconstancy
1. [ noun ] unfaithfulness by virtue of being unreliable or treacherous
Synonyms: faithlessness fickleness falseness
Related terms: infidelity
2. [ noun ] the quality of being changeable and variable
Synonyms: changefulness
Related terms: constancy changeableness capriciousness
Similar spelling:   inconstant
  inconsistency
  incontinency
  inconsistently
  inconsistent
  inconsequence
  incontinent
  insomnia
  inconclusive
  inconceivably
  insensate
  Inocencia
  innocense
  inconvenient
  incontinence
  incontestable
  inconspicuous
  inconsequent
  inconclusively
  inconceivable