example vs exemplary

example is a noun but exemplary is not a noun.

Word	Noun	Adjective	Verb	Adverb
example	Yes	No	No	No
exemplary	No	Yes	No	No

example (noun)	exemplary (noun)
a task performed or problem solved in order to develop skill or understanding
an item of information that is typical of a class or group
something to be imitated
a representative form or pattern
punishment intended as a warning to others
an occurrence of something

example (adjective)	exemplary (adjective)
	serving to warn
	being or serving as an illustration of a type
	worthy of imitation