Yes, jowar is in the scrabble dictionary.

What does jowar mean?

(dʒaʊˈwɑː) a variety of sorghum, Sorghum vulgare, extensively cultivated in Asia and Africa, used to make flatbreads.

Is Jowar English word?

Jowar is commonly called by various names across India- jwaarie, jowar, jola, or jondhalaa and is used to make bhakri, jowar roti, or jolada rotti. Its English name Sorghum, comes from the family it belongs to, Sorghum Vulgare.