Semblance – The outward appearance of something, especially when the reality is different
The resemblance (semblance) was uncanny but it wasn't until the one twin showed that it was a robot that you realised they were only similar in outward appearance.
Examples of semblance in a sentence
My life can return back to a semblance of normality now our house sale has gone through.
I was terrified but tried to show a semblance of calm when making my speech.
The classroom was chaotic, with no semblance of order or organisation.