landholding vs holding

landholding and holding both are nouns.

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

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

landholding: a holding in the form of land
holding: something owned; any tangible or intangible possession that is owned by someone

Other hypernyms of landholding include belongings, property.

landholding (noun)	holding (noun)
a holding in the form of land	the act of retaining something
ownership of land; the state or fact of owning land	something owned; any tangible or intangible possession that is owned by someone