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Proffessor vs. Professor: Mastering the Correct Spelling

Edited by Harlon Moss || By Janet White || Updated on March 11, 2024
"Proffessor" is an incorrect spelling, while "Professor" is correct, denoting a senior teacher at a college or university.

Which is correct: Proffessor or Professor

How to spell Professor?

Proffessor is Incorrect

Professor is Correct


Key Differences

Recall that "Professor" has one "f" just like "professional," a related term.
Remember, "Professor" contains two “s” characters, indicating the ‘class’ they teach.
"Professor" aligns with "less," not "full" — think of one "f" instead of two.
The title "Professor" is singular in its authority, hence only one "f" is necessary.
Associate "Professor" with "confessor," both having single "f" and double "s."

Correct usage of Professor

She thanked her proffessor for the letter of recommendation.
She thanked her professor for the letter of recommendation.
My proffessor assigned a ten-page essay due next week.
My professor assigned a ten-page essay due next week.
I emailed my proffessor about the exam review session.
I emailed my professor about the exam review session.
Proffessor Smith is an expert in ancient history.
Professor Smith is an expert in ancient history.

Professor Definitions

"Professor" denotes an honorary title given to distinguished individuals in certain fields.
He was named a Professor of the Arts for his contributions.
"Professor" indicates a person of high academic rank in an educational institution.
She is a professor known for her strict grading policies.
"Professor" is a title for a senior university researcher.
As a professor, she led groundbreaking research in biotechnology.
A college or university teacher who ranks above an associate professor.
A teacher or instructor.
One who professes.
The most senior rank for an academic at a university or similar institution, informally also known as "full professor."
A teacher or faculty member at a college or university regardless of formal rank.
(archaic) One who professes something, such as a religious doctrine.
A pianist in a saloon, brothel, etc.
The puppeteer who performs a Punch and Judy show; a Punchman.
One who professed, or makes open declaration of, his sentiments or opinions; especially, one who makes a public avowal of his belief in the Scriptures and his faith in Christ, and thus unites himself to the visible church.
One who professed, or publicly teaches, any science or branch of learning; especially, an officer in a university, college, or other seminary, whose business it is to read lectures, or instruct students, in a particular branch of learning; as a professor of theology, of botany, of mathematics, or of political economy.
Someone who is a member of the faculty at a college or university
"Professor" refers to a high-ranking academic teacher or lecturer.
The professor delivered an insightful lecture on quantum physics.
"Professor" can refer to someone who professes their knowledge or beliefs.
He's a professor in the sense that he shares his wisdom with others.

Professor Sentences

Professor Johnson's research on climate change is well-respected.
The professor explained the concept so clearly, everyone understood.
Our professor encourages us to ask questions and participate in class.
Every student admires the professor for his dedication and knowledge.
Professor Lee gives the most engaging lectures in the department.
Professor Martinez's book on modern art has won several awards.
Students often gather around the professor after class to continue discussions.
Professor Rivera's classes are always full because she's an excellent teacher.
The professor hosts study sessions to help students prepare for exams.
She's not just a professor; she's a mentor to many of us.
The professor encourages us to think critically and question assumptions.
The professor has a unique way of making complex subjects accessible.
Professor Thompson has published numerous articles in scientific journals.
The professor's enthusiasm for the subject is contagious.
Professor Bryant's stories from his fieldwork make his lectures fascinating.
Professor Gupta is known for her groundbreaking research in genetics.
The professor uses real-world examples to illustrate theoretical concepts.
The professor has received grants to continue her innovative research.
Our professor makes sure everyone understands before moving on.
Professor Kim's dedication to teaching has inspired many students to pursue academia.
Professor Nguyen's dedication to her students' success is admirable.

Professor Idioms & Phrases

Guest professor

A professor invited from another institution to teach or lecture for a short period.
The guest professor brought fresh perspectives to our discussions on political theory.

Associate professor

A mid-career professor who is one step below a full professor.
She was promoted to associate professor after publishing her second book.

Assistant professor

A junior professor in the early stages of their academic career.
After completing his Ph.D., he was hired as an assistant professor.

Professor at large

A title for a professor who works across different departments or faculties.
As a professor at large, she contributes to both the English and Philosophy departments.

Adjunct professor

A professor who teaches on a contract basis without tenure.
Many adjunct professors work at multiple universities to make a living.

Emeritus professor

A retired professor who retains their title as an honor.
The emeritus professor still attends academic conferences.

Distinguished professor

A title given to a professor who has made significant contributions to their field.
She was named a distinguished professor for her work in renewable energy.

Full professor

The highest academic rank for professors at a university.
Becoming a full professor is a significant achievement in academia.

Visiting professor

A professor who joins another institution temporarily to teach or conduct research.
He spent a year as a visiting professor in Spain.

Professor of practice

A professor appointed based on their expertise in a particular field rather than academic qualifications.
The professor of practice brought real-world experience to the classroom.

Endowed professor

A professor holding a position funded by an endowment.
The endowed professorship allows him to focus on his research without worrying about funding.

Tenured professor

A professor who has been granted tenure, providing them with permanent employment.
As a tenured professor, she has more freedom to pursue her research interests.

Chair professor

A professor who holds a chair, a prestigious academic position within a department.
As a chair professor, she leads research in her field.

Research professor

A professor whose primary responsibility is to conduct research.
As a research professor, her work contributes to groundbreaking discoveries.

Clinical professor

A professor with a focus on teaching practical skills, often in the health sciences.
The clinical professor oversees students' clinical rotations.

Professor emeritus

An honorary title for a retired professor who has significantly contributed to the university.
Even as a professor emeritus, he continues to mentor graduate students.

Professorial lecture

A lecture given by a professor to present their research or scholarship.
The professorial lecture was on the impact of technology on society.


Why is it called Professor?

It's called "professor" because it comes from the Latin "professus," meaning "to confess, declare publicly," relating to declaring one's knowledge.

What is the pronunciation of Professor?

Professor is pronounced as /prəˈfɛsər/.

What is the root word of Professor?

The root word is the Latin "professus," which means "to confess or declare publicly."

What is the plural form of Professor?

The plural form is "professors."

Is Professor a noun or adjective?

"Professor" is a noun.

Which preposition is used with Professor?

Prepositions like "of" (professor of chemistry) and "to" (speaking to the professor) can be used, depending on context.

Is Professor a negative or positive word?

It is neutral, referring to an academic title or occupation.

Which vowel is used before Professor?

The vowels "a" or "the" can be used before "professor" depending on the context (e.g., "a professor" or "the professor").

What is the verb form of Professor?

There isn't a direct verb form of "professor," but "profess" is a related verb.

What is the singular form of Professor?

The singular form is "professor."

Which conjunction is used with Professor?

Standard conjunctions like "and," "but," or "so" can be used with "professor," depending on the sentence structure.

Is Professor an adverb?

No, "professor" is not an adverb.

How many syllables are in Professor?

There are three syllables in "Professor."

What part of speech is Professor?

"Professor" is a noun.

What is the third form of Professor?

"Professor" is a noun and doesn't have verb forms.

Is Professor a collective noun?

No, "professor" is not a collective noun.

Is the Professor term a metaphor?

Not in itself, but it can be used metaphorically in literature or informal conversation.

Is the word Professor imperative?

No, "professor" is not in the imperative mood; it's a noun.

What is the second form of Professor?

"Professor" is a noun and doesn't have verb forms.

Is Professor a countable noun?

Yes, "professor" is a countable noun.

How do we divide Professor into syllables?

It's divided as pro-fes-sor.

What is another term for Professor?

Another term could be "educator" or "academic."

Which article is used with Professor?

"The," "a," or "an" can be used with "professor," depending on the sentence's context and structure.

Is Professor an abstract noun?

No, it's a concrete noun as it refers to a person with a specific academic rank.

Is Professor a vowel or consonant?

"Professor" is a word, consisting of both vowels and consonants.

What is the first form of Professor?

"Professor" is a noun and doesn't have verb forms.

What is a stressed syllable in Professor?

The stress is on the second syllable: pro-FES-sor.

What is the opposite of Professor?

There's no direct opposite, but "student" or "novice" could be contextually opposite roles.

Which determiner is used with Professor?

Common determiners like "the," "my," "your," etc., can be used, depending on the context.

How is Professor used in a sentence?

"The professor has published numerous articles on urban design."
About Author
Written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.
Edited by
Harlon Moss
Harlon is a seasoned quality moderator and accomplished content writer for Difference Wiki. An alumnus of the prestigious University of California, he earned his degree in Computer Science. Leveraging his academic background, Harlon brings a meticulous and informed perspective to his work, ensuring content accuracy and excellence.

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