brook vs creek

brook and creek both are nouns.

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

As nouns, brook and creek are synonyms defined as:

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

brook (noun)	creek (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)

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