We don't have synonyms for bothie yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are bothe, bethie and bottie.
(n) :
Alternative form of bothy. [(Scotland, Ireland, Northumberland) A small cottage, especially one for communal use in remote areas by labourers or farmhands, or as a mountain shelter.]
(n) :
Alternative form of bothy. [(Scotland, Ireland, Northumberland) A small cottage, especially one for communal use in remote areas by labourers or farmhands, or as a mountain shelter.]