User:Bendono/Notes/Romanization

au

• Nagauta

ou

• Marunouchi (丸の内)
• Tsubouchi Shōyō (坪内逍遥)
• Ikenoue (池ノ上)
• Inoue (井上)
• Toyoura
• Takinoue
• Setouchi

o vs. ō

• Ono (小野) vs Ōno (大野)
• Osaka (小坂) vs Ōsaka (大阪)
• Oshima vs Ōshima
• Hiroshi Ito vs Hiroshi Itō
• Ono, Hyōgo
• Ono, Fukushima
• Ōno, Fukui
• Ōno, Gifu
• Ōno, Hiroshima
• Ōno, Hokkaidō
• Ōno, Iwate
• Ōno, Ōita
• Oe Station (小江駅) vs. Ōe Station (大江駅))

oo

• Toyooka
• Nishinoomote
• Soo

ōo

• Tōon

ōu

• Ōu Main Line
• Hizen-Ōura Station
• Ōu Mountains
• Fuyuka Ōura
• Ōuchi Yoshioki

uu

• Furuu
• Katsuura
• Matsuura

Alternatives

Suffix -h to a vowel to represent a long vowel. Leads to new problems: can no longer distinguish between -oh and -ōh; ex: Yōhei.