blur vs focus

blur and focus both are nouns.

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

blur (noun)	focus (noun)
a hazy or indistinct representation	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

blur (verb)	focus (verb)
become vague or indistinct	become focussed or come into focus
make dim or indistinct	put (an image) into focus
make unclear, indistinct, or blurred	direct one's attention on something
make a smudge on; soil by smudging	bring into focus or alignment; to converge or cause to converge; of ideas or emotions
to make less distinct or clear	cause to converge on or toward a central point
become glassy; lose clear vision