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• increase
  استفحال
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• strengthening
  استفحال
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• buildup
  استفحال
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• consolidation
  استفحال
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• intensification
  استفحال
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• deep-rootedness
  استفحال
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• rootage
  استفحال
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• inveteracy
  استفحال
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• heightening
  استفحال
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Noun

• worsening
  اِسْتِفْحال
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• seriousness [pl. seriousnesses] , {feelings & emotions}
  استفحال
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• exacerbation {comm.}
  استفحال {اتصالات}
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• importance
  اِسْتِفْحال
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• aggravation [pl. aggravations]
  استفحال
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• gravity
  استفحال
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• irritation
  اِسْتِفْحال
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