const arrayStr = ['one', 'two', 'three', 'four', 'five'];

const getRandom = arr => Math.floor(Math.random() * arr.length);

const swapWords = () => {  
  let arrCopy = [...arrayStr];
  
  setInterval(() => {
    const randomWord = arrCopy[getRandom(arrCopy)];
    arrCopy = arrCopy.filter(x => x !== randomWord);

    console.log(randomWord);

    if (!arrCopy.length) {
      console.log('-----')
      arrCopy = [...arrayStr];
    }
  }, 500);
};

requestAnimationFrame(swapWords());