écritures
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| O Tréma Caron | Concept | 1 | 0.0 |
| O/o | Concept | 156 | 47.9 |
| Obélisque | Concept | 3 | 0.0 |
| Oe | Concept | 4 | 0.4 |
| Ogam | Concept | 59 | 44.1 |
| Ogam | Concept | 15 | 0.4 |
| Ogonek Suscrit | Concept | 1 | 0.3 |
| Oh | Concept | 1 | 0.3 |
| Oi | Concept | 2 | 0.2 |
| Oie | Concept | 2 | 0.0 |
| Oie Picorant | Concept | 1 | 0.0 |
| Oie Troussée | Concept | 2 | 0.0 |
| Oiseau Zimbabwe | Personnage_fictif | 25 | 2.9 |
| Ojhapath | Concept | 11 | 0.9 |
| Okina | Concept | 21 | 3.3 |
| Ol Tchiki | Concept | 17 | 0.6 |
| Om | Concept | 1 | 0.0 |
| Omicron Point Suscrit | Concept | 1 | 0.0 |
| Oméga Fermé Barré | Concept | 1 | 0.0 |
| Oméga Fermé Culbuté | Concept | 1 | 0.3 |
| Oméga Latin | Concept | 6 | 4.4 |
| Om̐ | Concept | 86 | 374.7 |
| On | Concept | 1 | 0.2 |
| Oo | Concept | 2 | 0.7 |
| Opérateur | Concept | 24 | 19.1 |
| Opérateur | Concept | 4 | 8.2 |
| Opérateurs Mathématiques | Concept | 17 | 13.4 |
| Opérateurs Mathématiques — Supplément | Concept | 14 | 1.7 |
| Or | Concept | 3 | 0.0 |
| Or et Jambe | Concept | 1 | 0.0 |
| Or et Masse D'armes | Concept | 1 | 0.0 |
| Or et Sceptre Ouas | Concept | 1 | 0.0 |
| Orbe Crucigère | Concept | 36 | 29.4 |
| Orbe Impérial | Concept | 4 | 3.2 |
| Oreille | Concept | 1 | 0.0 |
| Oreille de Bovin | Concept | 2 | 0.0 |
| Oriflamme | Concept | 1 | 0.0 |
| Oriflamme et Bourse | Concept | 1 | 0.0 |
| Oriflamme, Billot de Boucher et Colline | Concept | 1 | 0.0 |
| Oriya | Concept | 16 | 0.9 |
| Orteils Tournés Vers la Droite | Concept | 1 | 0.0 |
| Orteils Tournés Vers la Gauche | Concept | 1 | 0.0 |
| Orthographe Anglaise | Concept | 15 | 0.8 |
| Orthographe Russe Avant 1918 | Concept | 10 | 7.3 |
| Oryx | Concept | 1 | 0.0 |
| Osage | Concept | 8 | 0.5 |
| Osage | Concept | 12 | 0.5 |
| Osmanais | Concept | 21 | 1.9 |
| Osmanya | Concept | 13 | 0.8 |
| Ou | Concept | 5 | 0.1 |