The Odachi and Nodachi are both legendary Japanese swords known for their immense size and battlefield presence. While often used interchangeably, the Odachi is typically larger and served ceremonial and combat roles. The Nodachi, slightly smaller, was favored by foot soldiers for its reach. The Odachi’s grandeur and spiritual significance gave it a greater cultural legacy, often seen in temples and historical lore. Though both are iconic, the Odachi left the deeper mark in Japan’s martial and ceremonial traditions.