example vs pacemaker

example and pacemaker both are nouns.

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

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

Other hyponyms of example include beaut, beauty, pacesetter, pattern, prodigy.

example (noun)	pacemaker (noun)
a task performed or problem solved in order to develop skill or understanding	a horse used to set the pace in racing
an item of information that is typical of a class or group	an implanted electronic device that takes over the function of the natural cardiac pacemaker
something to be imitated	a specialized bit of heart tissue that controls the heartbeat
a representative form or pattern	a leading instance in its field
punishment intended as a warning to others
an occurrence of something