focalise vs focus

focalise is not a noun while focus is a noun.

Word	Noun	Adjective	Verb	Adverb
focalise	No	No	Yes	No
focus	Yes	No	Yes	No

As verbs, focalise and focus are synonyms defined as:

Other synonyms of focalise include focalize.

As verbs, focalise and focus are synonyms defined as:

Other synonyms of focalise include focalize, sharpen.

As verbs, focalise and focus are synonyms defined as:

focalise and focus: bring into focus or alignment; to converge or cause to converge; of ideas or emotions

Other synonyms of focalise include concenter, concentre, focalize.

focalise (noun)	focus (noun)
	maximum clarity or distinctness of an image rendered by an optical system
	maximum clarity or distinctness of an idea
	the concentration of attention or energy on something
	a fixed reference point on the concave side of a conic section
	a point of convergence of light (or other radiation) or a point from which it diverges
	a central point or locus of an infection in an organism
	special emphasis attached to something

focalise (verb)	focus (verb)
become focussed or come into focus	become focussed or come into focus
put (an image) into focus	put (an image) into focus
bring into focus or alignment; to converge or cause to converge; of ideas or emotions	direct one's attention on something
concentrate on a particular place or spot	bring into focus or alignment; to converge or cause to converge; of ideas or emotions
	cause to converge on or toward a central point