focus vs focus

focus and focus both are nouns.

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

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

focus (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
direct one's attention on something	direct one's attention on something
bring into focus or alignment; to converge or cause to converge; of ideas or emotions	bring into focus or alignment; to converge or cause to converge; of ideas or emotions
cause to converge on or toward a central point	cause to converge on or toward a central point