creek vs brook

creek and brook both are nouns.

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

As nouns, creek and brook are synonyms defined as:

creek and brook: a natural stream of water smaller than a river (and often a tributary of a river)

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

creek (verb)	brook (verb)
	put up with something or somebody unpleasant