Why are there almost no words in English containing the letter combination “zh”, despite the fact that that the sound is quite common, e.g. “measure”?

Question

Why are there almost no words in English containing the letter combination “zh”, despite the fact that that the sound is quite common, e.g. “measure”?

In: 2657

Answer 1

Because you can easily replace that sound with a more common combination of letters, e.g. “measure“