The phrase "commonly asked questions" is correct and can be used in written English.
For example: Below is a list of some commonly asked questions about our products.
The site lists commonly asked questions.
Here are answers to commonly asked questions on the subject.
Here are answers to some commonly asked questions about the Stanford study and organic foods.
The American Speech-Language-Hearing Speech-Language-Hearing Speech-Language-Hearing Associationinnitus.
I'd like to respond to some of the most commonly asked questions.
Getting Off the List THE letter Wesleyan University sends to wait-listed applicants includes commonly asked questions.
They said they sent it to answer commonly asked questions about the negotiations, which are entering their second year.
We've taken the most commonly asked questions about the internet of things, and answered them using a real human being.
One of the most commonly asked questions at any literary event is how a character comes to life.
Seeing King chatting with celebs of utterly featherweight significance prompted me to put a few commonly asked questions to Pinsky.
