MASCULINE FEMININE NEUTER SINGULAR NOM. studiosus studiosa studiosum GEN. studiosi studiosae studiosi DAT. studioso studiosae studioso ACC. studiosum studiosam studiosum ABL. studioso studiosa studioso PLURAL NOM. studiosi studiosae studiosa GEN. studiosorum studiosarum studiosorum DAT. studiosis studiosis studiosis ACC. studiosos studiosas studiosa ABL. studiosis studiosis studiosis