Words using 壱

• 一 いち — one
• 十一 じゅういち — eleven
• １０万 じゅうまん — 100,000
• １００万 ひゃくまん — 1,000,000
• 一万円 いちまんえん — 10,000 yen
• 壱越 いちこつ — fundamental tone in the traditional Japanese 12-tone scale (approx. D)
• 壱越調 いちこつちょう — ichikotsu mode (one of the six main gagaku modes)
• 壱岐 いき — Iki (former province located on Iki Island in present-day Nagasaki Prefecture)