var arrNum = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
    var arrName = [One, Two, Three, Four, Five, Six, Seven, Eight, Nice, Ten];

var number = Number(prompt("Enter a number"));

function bigNumberName(num) {
  var BigArr = [];

  for (var i = 0; i < arrNum.length; i++) {
    if (array[i] > num) {
      BigArr.push(arrNum[i]);
    }
  }
  return BigArr;
};

    console.log(bigNumberName(num));