specialisation vs specialization

specialisation and specialization both are nouns.

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

As nouns, specialisation and specialization are synonyms defined as:

specialisation and specialization: the special line of work you have adopted as your career

Other synonyms of specialisation include specialism, speciality, specialty.

As nouns, specialisation and specialization are synonyms defined as:

specialisation and specialization: the act of specializing; making something suitable for a special purpose

As nouns, specialisation and specialization are synonyms defined as:

specialisation and specialization: (biology) the structural adaptation of some body part for a particular function

Other synonyms of specialisation include differentiation.

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