focusing vs focalisation

focusing and focalisation both are nouns.

Word	Noun	Adjective	Verb	Adverb
focusing	Yes	No	No	No
focalisation	Yes	No	No	No

As nouns, focusing and focalisation are synonyms defined as:

Other synonyms of focusing include focalization.

focusing (noun)	focalisation (noun)
the act of bringing into focus	the act of bringing into focus
the concentration of attention or energy on something	the confinement of an infection to a limited area