focalise vs sharpen

focalise and sharpen both are verbs.

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

As verbs, focalise and sharpen are synonyms defined as:

Other synonyms of focalise include focalize, focus.

focalise (verb)	sharpen (verb)
become focussed or come into focus	become sharp or sharper
put (an image) into focus	make crisp or more crisp and precise
bring into focus or alignment; to converge or cause to converge; of ideas or emotions	raise the pitch of (musical notes)
concentrate on a particular place or spot	put (an image) into focus
	make (one's senses) more acute
	give a point to
	make sharp or sharper
	make (images or sounds) sharp or sharper