MASCULINE FEMININE NEUTER SINGULAR NOM. piger pigra pigrum GEN. pigri pigrae pigri DAT. pigro pigrae pigro ACC. pigrum pigram pigrum ABL. pigro pigra pigro PLURAL NOM. pigri pigrae pigra GEN. pigrorum pigrarum pigrorum DAT. pigris pigris pigris ACC. pigros pigras pigra ABL. pigris pigris pigris