concentration vs distribution

concentration and distribution both are nouns.

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

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