haymow vs raft

haymow and raft both are nouns.

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

As nouns, raft is a hypernym of haymow; that is, raft is a word with a broader meaning than haymow:

haymow (noun)	raft (noun)
a loft in a barn where hay is stored	a flat float (usually made of logs or planks) that can be used for transport or as a platform for swimmers
a mass of hay piled up in a barn for preservation	a foundation (usually on soft ground) consisting of an extended layer of reinforced concrete
	(often followed by `of') a large number or amount or extent