distribution vs concentration

distribution and concentration both are nouns.

Word	Noun	Adjective	Verb	Adverb
distribution	Yes	No	No	No
concentration	Yes	No	No	No

distribution (noun)	concentration (noun)
the act of distributing or spreading or apportioning	strengthening the concentration (as of a solute in a mixture) by removing diluting material
the commercial activity of transporting and selling goods from a producer to a consumer	bringing together military forces
the spatial or geographic property of being scattered about over a range, area, or volume	great and constant diligence and attention
(statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence	the strength of a solution; number of molecules of a substance in a given volume
	the spatial property of being crowded together
	complete attention; intense mental effort
	increase in density