My code isnt executing for some reason

import random

words = [
  'apple',
  'banana',
  'orange',
  'strawberry',
  'lime'
  'grapefruit',
  'lemon',
  'kumquat'
  'blueberry',
  'melon'
]


while True:
  start = input("Press enter/return to start, or return Q to quit")
  if start.lower == 'q':
    break

  secret_word = random.choice(words)
  bad_guesses = []
  good_guesses = []

  while len(bad_guesses) < 7 and len(good_guesses) != len(secret_word):
    for letter in secret_word:
      if letter in good_guesses:
        print(letter, end='')
      else:
        print('_', end='')
    print('')
    print('Strikes: {}/7'.format(len((bad_guesses)))
    print('')

    guess = input("Guess a letter").lower()
    if len(guess) != 1:
      print("You can only guess one letter")
      continue
    elif guess in good_guesses or guess in bad_guesses:
      print("You have already guessed that letter!")
      continue
    elif not guess.isalpha():
      print("You can only guess letters:")
      continue


    if guess in secret_word:
      good_guesses.append(guess)
      if len(good_gusses) == len(list(secret_word)):
        print("You win! The word was {}".format(secret_word))
        break

    else:
      bad_guesses.append(guess)

  else:
    print("You didnt guess it. My secret word was {}".format(secret_word))