dedifferentiation vs adaptation

dedifferentiation and adaptation both are nouns.

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

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

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

Other hypernyms of dedifferentiation include adaption, adjustment.

dedifferentiation (noun)	adaptation (noun)
the loss of specialization in form or function	(physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)
	a written work (as a novel) that has been recast in a new form
	the process of adapting to something (such as environmental conditions)