fragmentation vs atomisation

fragmentation and atomisation both are nouns.

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

As nouns, fragmentation and atomisation are synonyms defined as:

Other synonyms of fragmentation include atomization.

fragmentation (noun)	atomisation (noun)
separating something into fine particles	separating something into fine particles
the scattering of bomb fragments after the bomb explodes	annihilation by reducing something to atoms
(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