The Collaborative International Dictionary of English v.0.48:

Ninhursag \Ninhursag\ prop. n. (Sumerian mythology)
   The great mother goddess in Sumerian mythology, worshipped
   also as Aruru and Mama and Nintu.

   Syn: Ninkhursag, Ninkharsag.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Nintu
    n 1: a name under which Ninkhursag was worshipped [syn: Nintu,
         Nintoo]