covering vs hiding

covering and hiding both are nouns.

Word	Noun	Adjective	Verb	Adverb
covering	Yes	No	No	No
hiding	Yes	No	No	No

As nouns, hiding is a hypernym of covering; that is, hiding is a word with a broader meaning than covering:

covering: the act of concealing the existence of something by obstructing the view of it
hiding: the activity of keeping something secret

Other hypernyms of covering include concealing, concealment.

covering (noun)	hiding (noun)
the act of protecting something by covering it	the activity of keeping something secret
the work of applying something	the state of being hidden
the act of concealing the existence of something by obstructing the view of it
an artifact that covers something else (usually to protect or shelter or conceal it)
a natural object that covers or envelops