examiner vs quizzer

examiner and quizzer both are nouns.

Word	Noun	Adjective	Verb	Adverb
examiner	Yes	No	No	No
quizzer	Yes	No	No	No

As nouns, examiner and quizzer are synonyms defined as:

examiner and quizzer: someone who administers a test to determine your qualifications

Other synonyms of examiner include tester.

examiner (noun)	quizzer (noun)
an investigator who observes carefully	someone who administers a test to determine your qualifications
someone who administers a test to determine your qualifications