downsizing vs saving

downsizing and saving both are nouns.

Word	Noun	Adjective	Verb	Adverb
downsizing	Yes	No	No	No
saving	Yes	Yes	No	No

As nouns, saving is a hypernym of downsizing; that is, saving is a word with a broader meaning than downsizing:

downsizing: the reduction of expenditures in order to become financially stable
saving: an act of economizing; reduction in cost

Other hypernyms of downsizing include economy.

downsizing (noun)	saving (noun)
the reduction of expenditures in order to become financially stable	an act of economizing; reduction in cost
	the activity of protecting something from loss or danger
	recovery or preservation from loss or danger

downsizing (adjective)	saving (adjective)
	bringing about salvation or redemption from sin
	characterized by thriftiness