compression vs concentration

compression and concentration both are nouns.

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

As nouns, concentration is a hypernym of compression; that is, concentration is a word with a broader meaning than compression:

compression (noun)	concentration (noun)
applying pressure	strengthening the concentration (as of a solute in a mixture) by removing diluting material
encoding information while reducing the bandwidth or bits required	bringing together military forces
the process or result of becoming smaller or pressed together	great and constant diligence and attention
an increase in the density of something	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