catching vs uncovering

catching and uncovering both are nouns.

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

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

Other hypernyms of catching include discovery, find.

catching (noun)	uncovering (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	the removal of covering
becoming infected

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