The social (with) case

  • Added to nouns, the sociative case:
    • → ஓடு
    • → உடன்
    • → கூட (informally or colloquially)
  • usually translates as: in the company of, with

E.g. 
அவனோடு – with him
என்னோடு – with me
ராமனோடு  – with Raman
அவன் கூட -with him
என் கூட – with me
ராமன் கூட -with Raman