catching vs discovery

catching and discovery both are nouns.

Word	Noun	Adjective	Verb	Adverb
catching	Yes	Yes	No	No
discovery	Yes	No	No	No

As nouns, discovery is a hypernym of catching; that is, discovery is a word with a broader meaning than catching:

Other hypernyms of catching include find, uncovering.

catching (noun)	discovery (noun)
(baseball) playing the position of catcher on a baseball team	the act of discovering something
the act of detecting something; catching sight of something	a productive insight
becoming infected	something that is discovered
	(law) compulsory pretrial disclosure of documents relevant to a case; enables one side in a litigation to elicit information from the other side concerning the facts in the case

catching (adjective)	discovery (adjective)
(of disease) capable of being transmitted by infection