sharpen vs focalize

sharpen and focalize both are verbs.

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

As verbs, sharpen and focalize are synonyms defined as:

Other synonyms of sharpen include focalise, focus.

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