As nouns the difference between odachi and talwar
is that odachi is a long Japanese sword built like the katana but made to be longer (about 4 to 6 feet long) for combat on horseback while talwar is an alternative spelling of lang=en.
odachi
English
Noun
(
wikipedia odachi)
(
en noun)
A long Japanese sword built like the katana but made to be longer (about 4 to 6 feet long) for combat on horseback