equivalence
noun
[ ɪˈkwɪv(ə)l(ə)ns ]
• the condition of being equal or equivalent in value, worth, function, etc.
• "knowledge of equivalence of units is required"
Similar:
equality,
equalness,
sameness,
identicalness,
identity,
interchangeability,
indistinguishability,
uniformity,
agreement,
similarity,
likeness,
resemblance,
comparability,
correspondence,
commensurateness,
parallelism,
closeness,
nearness,
affinity,
coequality,