blocking vs parry

blocking and parry both are nouns.

Word	Noun	Adjective	Verb	Adverb
blocking	Yes	No	No	No
parry	Yes	No	Yes	No

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

blocking: the act of obstructing or deflecting someone's movements
parry: (fencing) blocking a lunge or deflecting it with a circular motion of the sword

Other hyponyms of blocking include interference, trap block.

blocking (noun)	parry (noun)
the act of obstructing or deflecting someone's movements	a return punch (especially by a boxer)
	(fencing) blocking a lunge or deflecting it with a circular motion of the sword

blocking (verb)	parry (verb)
	avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues)
	impede the movement of (an opponent or a ball)