concentrate vs decrease

concentrate and decrease both are nouns.

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

As verbs, decrease is a hypernym of concentrate; that is, decrease is a word with a broader meaning than concentrate:

Other hypernyms of concentrate include lessen, minify.

As verbs, decrease is a hypernym of concentrate; that is, decrease is a word with a broader meaning than concentrate:

Other hypernyms of concentrate include diminish, fall, lessen.

concentrate (noun)	decrease (noun)
a concentrated example of something	the act of decreasing or reducing something
a concentrated form of a foodstuff; the bulk is reduced by removing water	the amount by which something decreases
the desired mineral that is left after impurities have been removed from mined ore	a change downward
	a process of becoming smaller or shorter

concentrate (verb)	decrease (verb)
cook until very little liquid is left	decrease in size, extent, or range
make denser, stronger, or purer	make become smaller
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