unfortunate vs homeless

unfortunate and homeless both are nouns.

Word	Noun	Adjective	Verb	Adverb
unfortunate	Yes	Yes	No	No
homeless	Yes	Yes	No	No

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

unfortunate (noun)	homeless (noun)
a person who suffers misfortune	poor people who unfortunately do not have a home to live in
	someone unfortunate without housing

unfortunate (adjective)	homeless (adjective)
not favored by fortune; marked or accompanied by or resulting in ill fortune	physically or spiritually homeless or deprived of security
not auspicious; boding ill	without nationality or citizenship
unsuitable or regrettable