concentrate vs deconcentrate

concentrate is a noun but deconcentrate is not a noun.

Word	Noun	Adjective	Verb	Adverb
concentrate	Yes	No	Yes	No
deconcentrate	No	No	Yes	No

concentrate (noun)	deconcentrate (noun)
a concentrated example of something
a concentrated form of a foodstuff; the bulk is reduced by removing water
the desired mineral that is left after impurities have been removed from mined ore

concentrate (verb)	deconcentrate (verb)
cook until very little liquid is left	make less central
make denser, stronger, or purer
make central
be cooked until very little liquid is left
make more concise
compress or concentrate
direct one's attention on something
draw together or meet in one common center