brood vs breed

brood and breed both are nouns.

Word	Noun	Adjective	Verb	Adverb
brood	Yes	No	Yes	No
breed	Yes	No	Yes	No

brood (noun)	breed (noun)
the young of an animal cared for at one time	a special type
	a special variety of domesticated animals within a species

brood (verb)	breed (verb)
sit on (eggs)	have young (animals) or reproduce (organisms)
think moodily or anxiously about something	copulate with a female, used especially of horses
be in a huff; be silent or sullen	cause to procreate (animals)
be in a huff and display one's displeasure	call forth
hang over, as of something threatening, dark, or menacing