holding vs belongings

holding and belongings both are nouns.

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

As nouns, holding and belongings are synonyms defined as:

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

Other synonyms of holding include property.

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