detection vs uncovering

detection and uncovering both are nouns.

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

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

Other hypernyms of detection include discovery, find.

detection (noun)	uncovering (noun)
the act of detecting something; catching sight of something	the act of discovering something
a police investigation to determine the perpetrator	the removal of covering
the perception that something has occurred or some state exists
the detection that a signal is being received