dedifferentiation vs adjustment

dedifferentiation and adjustment both are nouns.

Word	Noun	Adjective	Verb	Adverb
dedifferentiation	Yes	No	No	No
adjustment	Yes	No	No	No

As nouns, adjustment is a hypernym of dedifferentiation; that is, adjustment is a word with a broader meaning than dedifferentiation:

dedifferentiation: the loss of specialization in form or function
adjustment: the process of adapting to something (such as environmental conditions)

Other hypernyms of dedifferentiation include adaptation, adaption.

dedifferentiation (noun)	adjustment (noun)
the loss of specialization in form or function	the act of making something different (as e.g. the size of a garment)
	the act of adjusting something to match a standard
	making or becoming suitable; adjusting to circumstances
	an amount added or deducted on the basis of qualifying circumstances
	the process of adapting to something (such as environmental conditions)