| brackets (n) | parenthesis (punctuation) |
| full stop (n) | a period (.) (punctuation) |
| inverted commas (n) | quotation marks |
| naught (n) | zero |
| nil (n) | zero also naught |
| Oi! | "Hey!" |
| ono (adj) | abbreviation in classified ad for or near offer Used the same as "obo" ("or best offer") in U.S. |
| sixty-sixes and ninety-nines (n) | quotation marks also called inverted commas |
| speech marks (n) | quotation marks, also inverted commas |
| zed (n) | pronunciation of the letter "z" |