Whats a word that means '; a false appearance'; that starts with a g and a silent ';u';?

I was trying to figure out this definition for my homework but I kept looking for what the word was and still couldn't get a clue...Whats a word that means '; a false appearance'; that starts with a g and a silent ';u';?
Disguise.Whats a word that means '; a false appearance'; that starts with a g and a silent ';u';?
Guise is the only word I can think of. And I know it does not end in a silent u.
Guise