defy vs weather

defy is not a noun while weather is a noun.

Word	Noun	Adjective	Verb	Adverb
defy	No	No	Yes	No
weather	Yes	Yes	Yes	No

As verbs, weather is a hyponym of defy; that is, weather is a word with a more specific, narrower meaning than defy:

Other hyponyms of defy include brave, brave out, endure.

defy (noun)	weather (noun)
	the atmospheric conditions that comprise the state of the atmosphere in terms of temperature and wind and clouds and precipitation

defy (adjective)	weather (adjective)
	towards the side exposed to wind

defy (verb)	weather (verb)
challenge	change under the action or influence of the weather
resist or confront with resistance	cause to slope
elude, especially in a baffling way	sail to the windward of
	face and withstand with courage