abridge vs concentrate

abridge is not a noun while concentrate is a noun.

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

As verbs, concentrate is a hyponym of abridge; that is, concentrate is a word with a more specific, narrower meaning than abridge:

Other hyponyms of abridge include bowdlerise, bowdlerize, castrate, expurgate, shorten, condense, digest.

abridge (noun)	concentrate (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

abridge (verb)	concentrate (verb)
reduce in scope while retaining essential elements	cook until very little liquid is left
lessen, diminish, or curtail	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