> Pitara (S) <--> Father (E) <--> Vater (G) > Matara (S) <--> Mother (E) <--> Mutter (G) > Bhratara (S) <--> Brother (E) <--> Bruder (G) > Duhitar (S) <--> D

> Pitara (S) <--> Father (E) <--> Vater (G) > Matara (S) <--> Mother (E) <--> Mutter (G) > Bhratara (S) <--> Brother (E) <--> Bruder (G) > Duhitar (S) <--> Daughter (E) <--> Tochter (G Since you seem to be quoting the Sanskrit words in their root forms, (to which the case-lacking English and German equivalents most closely correspond) your spellings are incorrect. The correct forms are: pitr mātr bhrātr duhitr No thematic 'a' on the end. You might be confusing it with the nominative plural case forms: pitarah mātarah bhrātarah duhitarah