The main Russian form of Leontius (Leontios) is Leontiy (Леонтий). The spellings Leonti (Леонтий) and Leonty (Леонтий) are variant transcriptions of Leontiy.Just compare in the main database, for example, Arkadiy, Arkadi and Arkady... or Evgeniy, Evgeni and Evgeny... and similar names. The form ending in -iy is always the main form there. [noted -ed]
Just compare in the main database, for example, Arkadiy, Arkadi and Arkady... or Evgeniy, Evgeni and Evgeny... and similar names. The form ending in -iy is always the main form there. [noted -ed]