We don't have synonyms for balconet yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are balcony, baloney and baronet.
(n) :
Alternative form of balconette (“small balcony”). [(architecture) A false balcony, or railing at the outer plane of a window-opening reaching to the floor, and resembling a balcony when the window is open.]
(n) :
Alternative form of balconette (“small balcony”). [(architecture) A false balcony, or railing at the outer plane of a window-opening reaching to the floor, and resembling a balcony when the window is open.]