COMPARE TWO WORDS PYTHON

gistfile1.txt

MISTAKE_COUNTS = 4

def check_word(string_one, string_two):
    string_one = string_one.lower()
    string_two = string_two.lower()
    found_count = len(string_one) - len(string_one) / MISTAKE_COUNTS
    result = []
    for index in xrange(0, len(string_two)):
        not_found, found = 0, 0
        try:
            for index_two in xrange(0, len(string_one)):
                if string_one[index_two] == string_two[index + index_two]:
                    found += 1
                else:
                    not_found += 1
            if found >= found_count:
                result.append(found)
        except IndexError:
            pass
    return True if result else False