puncture vs pinprick

puncture and pinprick both are nouns.

Word	Noun	Adjective	Verb	Adverb
puncture	Yes	No	Yes	No
pinprick	Yes	No	No	No

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

Other hyponyms of puncture include pinhole.

puncture (noun)	pinprick (noun)
the act of puncturing or perforating	small puncture (as if made by a pin)
a small hole made by a sharp object	a minor annoyance
loss of air pressure in a tire when a hole is made by some sharp object

puncture (verb)	pinprick (verb)
cause to lose air pressure or collapse by piercing
be pierced or punctured
reduce or lessen the size or importance of
pierce with a pointed object; make a hole into
make by piercing