comp vs comprehensive examination

comp and comprehensive examination both are nouns.

Word	Noun	Adjective	Verb	Adverb
comp	Yes	No	No	No
comprehensive examination	Yes	No	No	No

As nouns, comp and comprehensive examination are synonyms defined as:

comp and comprehensive examination: an intensive examination testing a student's proficiency in some special field of knowledge

Other synonyms of comp include comprehensive.

comp (noun)	comprehensive examination (noun)
an intensive examination testing a student's proficiency in some special field of knowledge	an intensive examination testing a student's proficiency in some special field of knowledge