public GameObject wordPrefab;
public Transform wordCanvas;

public WordDisplay SpawnWord()
{
    Vector3 randomPosition = new Vector3(Random.Range(-2.0f, 2.0f), 7.0f, 0);
    GameObject wordObj = Instantiate(wordPrefab,randomPosition, Quaternion.identity, wordCanvas);
    WordDisplay wordDisplay = wordObj.GetComponent<WordDisplay>();
    return wordDisplay;
}