fine spray vs downfall

fine spray and downfall both are nouns.

Word	Noun	Adjective	Verb	Adverb
fine spray	Yes	No	No	No
downfall	Yes	No	No	No

As nouns, downfall is a hypernym of fine spray; that is, downfall is a word with a broader meaning than fine spray:

fine spray: precipitation in very small drops
downfall: the falling to earth of any form of water (rain or snow or hail or sleet or mist)

Other hypernyms of fine spray include precipitation.

fine spray (noun)	downfall (noun)
precipitation in very small drops	a sudden decline in strength or number or importance
	failure that results in a loss of position or reputation
	the falling to earth of any form of water (rain or snow or hail or sleet or mist)