| Franç.(a.litt.) | osel, oisel, oissel | bird |
| Franç. | oiseau | bird; penis (see uccello ð7.9.1.). Oiseau = augeau: "Nous pensons que dans le cas particulier l'imagination populaire a été mise en branle par la confusion fortuite entre deux mots" - M. Dubois |
| Franç. | Bel Oiseau | mountain situated in the axis Rhone Valley - valley of Chamonix |
| Franç. | Oise | fluvial passage, Lat. Isarað7.5. |
| Franç. | Oisans | Pass of the Mont-Genèvre. In Gaulish times inhabited by the Ucenni, whence the name Mont-Cenis |
| Franç. | Hise | a tributary of the Ariège |
| Franç. | Ise | a river in the Hautes-Pyrénées |
| Ital. | Isa | a river of the Piedmont |
| Franç.: Bray, Redon | oisieau | bird; Sixt zoiseau |
| Franç.: Messon | ouéziau | bird; b.Maine oiziao |
| Franç.: Valenc., Nam. | osiau | bird |
| Franç.: Somme | ézieu | (and var. ozieu,ujeu,wazieu,wézieu) bird |
| Franç.: Pic. | eusieu | bird |
| Franç.: St.Aubin | gaziau | bird |
| Franç.: Lyon | iziau | bird |
| Franç. | Izeaux | a locality in the Isère Dept. (in Gaulish time inhabited by the Graioceli q.v., above; also the French localities Izé,Izel,Izon etc.) |
| Franç.: Vendée | oséa | bird |
| Franç.: b.Gâtin. | osia | id. |
| Franç.: Aunis, Saint. | osiâ | id. |
| Franç.: Morvan | ouïâ | id. |
| Ital.: Sard. (Gallur.) | àja | id. |
| Franç.: Puiss. | oyau | id. |
| Franç.: Uchon | ouyau | id. |
| Franç.: St.Omer | ougeau | id. |
| Franç.: St.Florentin | ogiau | id. |
| Franç.: Belm., BanR. | oujeu | id. |
| Franç.: P.de C. | oujouo | id. |
| Franç.: Lille | ojeau | id. |
| Franç.: Hainaut | oujâ | id. |
| Franç.: wall. | oho | id. |
| Franç.: Fr.C. | ugeau | id. |
| Franç.: Jons | ijio | id. |
| Franç.: Jujurieux | ijo | id. |
| Franç.: Chambésy | èjô | id. |
| Franç.: Villefr.Rh. | âjo | id. |
| Franç.: VS | Ugeon (col d') | a pass between Vouvry and H.Savoie |