protection vs shielding

protection and shielding both are nouns.

Word	Noun	Adjective	Verb	Adverb
protection	Yes	No	No	No
shielding	Yes	No	No	No

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

protection (noun)	shielding (noun)
the activity of protecting someone or something	the act of shielding from harm
payment extorted by gangsters on threat of violence	a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay
kindly endorsement and guidance	shield consisting of an arrangement of metal mesh or plates designed to protect electronic equipment from ambient electromagnetic interference
the imposition of duties or quotas on imports in order to protect domestic industry against foreign competition
a covering that is intend to protect from damage or injury
defense against financial failure; financial independence
the condition of being protected