tiling vs covering

tiling and covering both are nouns.

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

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

Other hypernyms of tiling include application, coating.

tiling (noun)	covering (noun)
the application of tiles to cover a surface	the act of protecting something by covering it
	the work of applying something
	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