18. "twenty" (vijwati-, f.):
 
Sg. Du. Pl.
Nom. vijwatih vijwati vijwatayah
Acc. vijwatim vijwati vijwatih
Ins. vijwatya vijwatibhyam vijwatibhih
Dat. vijwataye|vijwatyai vijwatibhyam vijwatibhyah
Abl. vijwateh|vijwatyah vijwatibhyam vijwatibhyah
Gen. vijwateh|vijwatyah vijwatyoh vijwatinam
Loc. vijwatau|vijwatyam vijwatyoh vijwatisu
Voc. vijwate vijwati vijwatayah