slew vs haymow

slew and haymow both are nouns.

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

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

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

slew (noun)	haymow (noun)
(often followed by `of') a large number or amount or extent	a loft in a barn where hay is stored
	a mass of hay piled up in a barn for preservation

slew (verb)	haymow (verb)
turn sharply; change direction abruptly
move obliquely or sideways, usually in an uncontrolled manner