prof vs professor

prof and professor both are nouns.

Word	Noun	Adjective	Verb	Adverb
prof	Yes	No	No	No
professor	Yes	No	No	No

As nouns, prof and professor are synonyms defined as:

prof and professor: someone who is a member of the faculty at a college or university

prof (noun)	professor (noun)
someone who is a member of the faculty at a college or university	someone who is a member of the faculty at a college or university