tangible possession vs holding

tangible possession and holding both are nouns.

Word	Noun	Adjective	Verb	Adverb
tangible possession	Yes	No	No	No
holding	Yes	No	No	No

As nouns, holding is a hypernym of tangible possession; that is, holding is a word with a broader meaning than tangible possession:

tangible possession: property or belongings that are tangible
holding: something owned; any tangible or intangible possession that is owned by someone

Other hypernyms of tangible possession include belongings, property.

tangible possession (noun)	holding (noun)
property or belongings that are tangible	the act of retaining something
	something owned; any tangible or intangible possession that is owned by someone