downsizing vs retrenchment

downsizing and retrenchment both are nouns.

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

As nouns, downsizing and retrenchment are synonyms defined as:

downsizing and retrenchment: the reduction of expenditures in order to become financially stable

Other synonyms of downsizing include curtailment.

downsizing (noun)	retrenchment (noun)
the reduction of expenditures in order to become financially stable	the reduction of expenditures in order to become financially stable
	entrenchment consisting of an additional interior fortification to prolong the defense