covering vs natural covering

covering and natural covering both are nouns.

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

As nouns, covering and natural covering are synonyms defined as:

Other synonyms of covering include cover.

covering (noun)	natural covering (noun)
the act of protecting something by covering it	a natural object that covers or envelops
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