spate vs haymow

spate and haymow both are nouns.

Word	Noun	Adjective	Verb	Adverb
spate	Yes	No	No	No
haymow	Yes	No	No	No

As nouns, haymow is a hyponym of spate; that is, haymow is a word with a more specific, narrower meaning than spate:

Other hyponyms of spate include deluge, flood, inundation, torrent.

spate (noun)	haymow (noun)
the occurrence of a water flow resulting from sudden rain or melting snow	a loft in a barn where hay is stored
a sudden forceful flow	a mass of hay piled up in a barn for preservation
(often followed by `of') a large number or amount or extent