mishap vs puncture

mishap and puncture both are nouns.

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

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

mishap: an instance of misfortune
puncture: loss of air pressure in a tire when a hole is made by some sharp object

Other hyponyms of mishap include accident, near miss, derailment, ground loop, slip, trip, crash.

mishap (noun)	puncture (noun)
an instance of misfortune	the act of puncturing or perforating
an unpredictable outcome that is unfortunate	a small hole made by a sharp object
	loss of air pressure in a tire when a hole is made by some sharp object

mishap (verb)	puncture (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