endure vs brook

endure is not a noun while brook is a noun.

Word	Noun	Adjective	Verb	Adverb
endure	No	No	Yes	No
brook	Yes	No	Yes	No

As verbs, endure and brook are synonyms defined as:

Other synonyms of endure include abide, bear, digest, put up, stand, stick out, stomach, suffer, support, tolerate.

endure (noun)	brook (noun)
	a natural stream of water smaller than a river (and often a tributary of a river)

endure (verb)	brook (verb)
put up with something or somebody unpleasant	put up with something or somebody unpleasant
undergo or be subjected to
continue to live and avoid dying
last and be usable
face and withstand with courage
persist for a specified period of time
continue to exist