covering vs lining

covering and lining both are nouns.

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

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

covering (noun)	lining (noun)
the act of protecting something by covering it	the act of attaching an inside lining (to a garment or curtain etc.)
the work of applying something	providing something with a surface of a different material
the act of concealing the existence of something by obstructing the view of it	a protective covering that protects an inside surface
an artifact that covers something else (usually to protect or shelter or conceal it)	a piece of cloth that is used as the inside surface of a garment
a natural object that covers or envelops