protective cover vs protective covering

protective cover and protective covering both are nouns.

Word	Noun	Adjective	Verb	Adverb
protective cover	Yes	No	No	No
protective covering	Yes	No	No	No

As nouns, protective cover and protective covering are synonyms defined as:

protective cover and protective covering: a covering that is intend to protect from damage or injury

Other synonyms of protective cover include protection.

protective cover (noun)	protective covering (noun)
a covering that is intend to protect from damage or injury	the tough natural covering of some organisms
	a covering that is intend to protect from damage or injury