We don't have synonyms for leonides yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are leonidas, leonids and leonine.
(n) :
A male given name, a transliteration of a common East Slavic name (notably that of the first two Ukrainian presidents, Leonid Kravchuk and Leonid Kuchma, as well as Soviet leader Leonid Brezhnev).
(n) :
Any meteor of a meteor shower that appears to radiate from the constellation Leo in November.
(n) :
A male given name, a transliteration of a common East Slavic name (notably that of the first two Ukrainian presidents, Leonid Kravchuk and Leonid Kuchma, as well as Soviet leader Leonid Brezhnev).
(n) :
Any meteor of a meteor shower that appears to radiate from the constellation Leo in November.