Adequacy
Part of speech: noun
Definition: The quality of being sufficient, adequate or able to meet the needs.
Sufficiency
Part of speech: noun
Definition: The quality or condition of being sufficient.An adequate amount.
Adequacy as a noun is the quality of being sufficient, adequate or able to meet the needs. while Sufficiency as a noun is the quality or condition of being sufficient.
Part of speech: noun
Definition: The quality of being sufficient, adequate or able to meet the needs.
Part of speech: noun
Definition: The quality or condition of being sufficient.An adequate amount.
We hope you now know whether to use Adequacy or Sufficiency in your sentence.