We don't have synonyms for zuchetto yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are zucchetto, zucchetti and archetto.
(n) :
Misspelling of zucchetto. [A small skullcap worn by Roman Catholic clergy (the Pope's is white, a cardinal's red, a bishop's purple, and a priest's black), Anglican clergy, and Syriac or Malankara Orthodox clergy]
(n) :
Misspelling of zucchetto. [A small skullcap worn by Roman Catholic clergy (the Pope's is white, a cardinal's red, a bishop's purple, and a priest's black), Anglican clergy, and Syriac or Malankara Orthodox clergy]