exemplar vs pattern

exemplar and pattern both are nouns.

Word	Noun	Adjective	Verb	Adverb
exemplar	Yes	No	No	No
pattern	Yes	No	Yes	No

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

Other hyponyms of exemplar include beaut, beauty, pacemaker, pacesetter, prodigy.

exemplar (noun)	pattern (noun)
something to be imitated	a customary way of operation or behavior
	a decorative or artistic work
	a perceptual structure
	a model considered worthy of imitation
	something intended as a guide for making something else
	something regarded as a normative example
	graphical representation (in polar or Cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle
	the path that is prescribed for an airplane that is preparing to land at an airport

exemplar (verb)	pattern (verb)
	plan or create according to a model or models
	form a pattern