specialisation vs adaption

specialisation and adaption both are nouns.

Word	Noun	Adjective	Verb	Adverb
specialisation	Yes	No	No	No
adaption	Yes	No	No	No

As nouns, adaption is a hypernym of specialisation; that is, adaption is a word with a broader meaning than specialisation:

specialisation: (biology) the structural adaptation of some body part for a particular function
adaption: the process of adapting to something (such as environmental conditions)

Other hypernyms of specialisation include adaptation, adjustment.

specialisation (noun)	adaption (noun)
the special line of work you have adopted as your career	the process of adapting to something (such as environmental conditions)
the act of specializing; making something suitable for a special purpose
(biology) the structural adaptation of some body part for a particular function