belongings vs holding

belongings and holding both are nouns.

Word	Noun	Adjective	Verb	Adverb
belongings	Yes	No	No	No
holding	Yes	No	No	No

As nouns, belongings and holding are synonyms defined as:

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

Other synonyms of belongings include property.

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