brook vs permit

brook and permit both are nouns.

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

As verbs, permit is a hypernym of brook; that is, permit is a word with a broader meaning than brook:

Other hypernyms of brook include allow, countenance, let.

brook (noun)	permit (noun)
a natural stream of water smaller than a river (and often a tributary of a river)	the act of giving a formal (usually written) authorization
	large game fish; found in waters of the West Indies
	a legal document giving official permission to do something

brook (verb)	permit (verb)
put up with something or somebody unpleasant	consent to, give permission; permit
	allow the presence of or allow (an activity) without opposing or prohibiting
	make it possible through a specific action or lack of action for something to happen