Vigilant
2 verses in 2 books of the King James Bible.
By Book
Every Occurrence
1 Timothy 3:2A bishop then must be blameless, the husband of one wife, vigilant, sober, of good behaviour, given to hospitality, apt to teach;
1 Peter 5:8Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour: