homeless vs roofless

homeless is a noun but roofless is not a noun.

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

As adjectives, homeless and roofless are synonyms defined as:

homeless and roofless: physically or spiritually homeless or deprived of security

Other synonyms of homeless include dispossessed.

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

homeless (adjective)	roofless (adjective)
physically or spiritually homeless or deprived of security	not having a roof
without nationality or citizenship	physically or spiritually homeless or deprived of security