This is the 488th most frequent Japanese word.
教授
Professor.
教授 refers to a university professor teaching a subject.
彼は大学で数学を教える教授です。
He is a professor who teaches mathematics at the university.
教授 indicates a respected academic scholar whose name is associated with scholarly work.
私は彼の論文に教授の名前を載せました。
I included the professor's name in my thesis.
教授 is used as a verb meaning to teach or instruct in an academic context.