examination vs quiz

examination and quiz both are nouns.

Word	Noun	Adjective	Verb	Adverb
examination	Yes	No	No	No
quiz	Yes	No	Yes	No

As nouns, quiz is a hyponym of examination; that is, quiz is a word with a more specific, narrower meaning than examination:

examination (noun)	quiz (noun)
the act of examining something closely (as for mistakes)	an examination consisting of a few short questions
the act of giving students or candidates a test (as by questions) to determine what they know or have learned
a detailed inspection of your conscience (as done daily by Jesuits)
a set of questions or exercises evaluating skill or knowledge
formal systematic questioning

examination (verb)	quiz (verb)
	examine someone's knowledge of something