refocus vs focus

refocus is not a noun while focus is a noun.

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

As verbs, focus is a hypernym of refocus; that is, focus is a word with a broader meaning than refocus:

Other hypernyms of refocus include focalise, focalize, sharpen.

As verbs, focus is a hypernym of refocus; that is, focus is a word with a broader meaning than refocus:

refocus: focus anew
focus: bring into focus or alignment; to converge or cause to converge; of ideas or emotions

Other hypernyms of refocus include concenter, concentre, focalise, focalize.

As verbs, focus is a hypernym of refocus; that is, focus is a word with a broader meaning than refocus:

refocus (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

refocus (verb)	focus (verb)
put again into focus or focus more sharply	become focussed or come into focus
focus anew	put (an image) into focus
focus once again	direct one's attention on something
	bring into focus or alignment; to converge or cause to converge; of ideas or emotions
	cause to converge on or toward a central point