Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
WEB

Mark 3:15

and to have authority to heal sicknesses and to cast out demons:

Parallel Translations

KJVView canonical →
And to have power to heal sicknesses, and to cast out devils:
King James Version
GNVView canonical →
And that they might haue power to heale sicknesses, and to cast out deuils.
Geneva Bible
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