Before adding the suffix "less", flaw means a fault or imperfection. When you add the suffix, you get flawless, which means "without any imperfections", or "perfect".
Answer:
they had to talk through telagrams
Josie, who was in a strange house, was frightened by every little noise.
Cliché would best describe a stock character because they are known to be stereotypical and flat, and very predictable. Stock characters are not necessarily wicked, and are the opposite of unpredictable.