The spelling of "study at doctrine" can be confusing due to the silent "b" in "d-o-c-t-r-i-n-e". The correct pronunciation is /ˈstʌdi ət ˈdɑktrɪn/. The word "doctrine" refers to a set of beliefs or principles that form the basis of a religion or political system. When someone is studying doctrine, they are learning about the fundamental tenets of a particular philosophy or ideology. It is important to spell and pronounce words accurately in order to communicate effectively and avoid confusion.