hitch vs obstruction

hitch and obstruction both are nouns.

Word	Noun	Adjective	Verb	Adverb
hitch	Yes	No	Yes	No
obstruction	Yes	No	No	No

As nouns, obstruction is a hypernym of hitch; that is, obstruction is a word with a broader meaning than hitch:

Other hypernyms of hitch include impediment, impedimenta, obstructer, obstructor.

As nouns, obstruction is a hypernym of hitch; that is, obstruction is a word with a broader meaning than hitch:

hitch: an unforeseen obstacle
obstruction: something immaterial that stands in the way and must be circumvented or surmounted

Other hypernyms of hitch include obstacle.

hitch (noun)	obstruction (noun)
the uneven manner of walking that results from an injured leg	getting in someone's way
a knot that can be undone by pulling against the strain that holds it; a temporary knot	the act of obstructing
a connection between a vehicle and the load that it pulls	any structure that makes progress difficult
any obstruction that impedes or is burdensome	something immaterial that stands in the way and must be circumvented or surmounted
an unforeseen obstacle	the physical condition of blocking or filling a passage with an obstruction
the state of inactivity following an interruption
a period of time spent in military service

hitch (verb)	obstruction (verb)
to hook or entangle
connect to a vehicle:
travel by getting free rides from motorists
walk impeded by some physical limitation or injury
jump vertically, with legs stiff and back arched