covering vs tiling

covering and tiling both are nouns.

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

As nouns, tiling is a hyponym of covering; that is, tiling is a word with a more specific, narrower meaning than covering:

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