def is_palindrome(word):
    """Checks if given word is a palindrome.
    
    Arguments:
        word {string} -- Word that you want to check if it's a palindrome
    
    Returns:
        boolean -- True if it's palindrome, False if it's not.
    """
    lowered = str(word).lower()
    lowered = ''.join(l for l in lowered if l.isalnum())
    return lowered == lowered[::-1]