ZillionmEnglish (American, Modern, Rare) From the word zillion, coined in the 1940s to refer to an unspecified large number, itself a blend of the letter Z and million.
ZoradafEnglish (American, Rare, Archaic) Probably a variant of Zoraida. This was the middle name of American lighthouse keeper Ida Lewis (1842-1911), who was born Idawalley Zorada Lewis.