We don't have synonyms for izzie yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are lizzie, hizzie and ozzie.
(n) :
Alternative spelling of Izzy (diminutive of female and male given names) [A diminutive of the female given name Isabel, Isobel, Isabelle, Isabella, Elizabeth, Isidora, Isra, Izebel, Ismara and Isobelle.]
(n) :
Alternative spelling of Izzy (diminutive of female and male given names) [A diminutive of the female given name Isabel, Isobel, Isabelle, Isabella, Elizabeth, Isidora, Isra, Izebel, Ismara and Isobelle.]