spotting vs uncovering

spotting and uncovering both are nouns.

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

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

Other hypernyms of spotting include discovery, find.

spotting (noun)	uncovering (noun)
the act of detecting something; catching sight of something	the act of discovering something
the act of spotting or staining something	the removal of covering