exam paper vs examination paper

exam paper and examination paper both are nouns.

Word	Noun	Adjective	Verb	Adverb
exam paper	Yes	No	No	No
examination paper	Yes	No	No	No

As nouns, exam paper and examination paper are synonyms defined as:

Other synonyms of exam paper include question sheet, test paper.

exam paper (noun)	examination paper (noun)
a written examination	a written examination