Definition of "prevalency" [prev•a•len•cy]

• Prevalence (noun)

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• "So long as either of these worketh in us with any kind of prevalency, it is impossible we should have any delight in calling upon God."
• "Mexico City will be able to point to an HIV prevalency rate which now stands at 15.6 percent of the adult population, having dropped from 31 percent in 2000."
• "How much sloth and negligence, heat and passion, the prevalency of fashion or acquired indispositions do severally contribute, on occasion, to these wrong judgments, I shall not here further inquire."