We don't have synonyms for armshouse yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are farmhouse, almshouse and art house.
(n) :
Misspelling of almshouse. [A building of residence for the poor, sick or elderly of a parish. Originally founded by the Church, and usually funded by charitable donations.]
(n) :
Misspelling of almshouse. [A building of residence for the poor, sick or elderly of a parish. Originally founded by the Church, and usually funded by charitable donations.]