homeless vs dispossessed

homeless is a noun but dispossessed is not a noun.

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

As adjectives, homeless and dispossessed are synonyms defined as:

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

Other synonyms of homeless include roofless.

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

homeless (adjective)	dispossessed (adjective)
physically or spiritually homeless or deprived of security	physically or spiritually homeless or deprived of security
without nationality or citizenship