atomisation vs fragmentation

atomisation and fragmentation both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomisation	Yes	No	No	No
fragmentation	Yes	No	No	No

As nouns, atomisation and fragmentation are synonyms defined as:

Other synonyms of atomisation include atomization.

atomisation (noun)	fragmentation (noun)
separating something into fine particles	separating something into fine particles
annihilation by reducing something to atoms	the scattering of bomb fragments after the bomb explodes
	(computer science) the condition of a file that is broken up and stored in many different locations on a magnetic disk
	the disintegration of social norms governing behavior and thought and social relationships