| Play | Key Line | Modern Text | Original Text |
| Coriolanus | Cor III.i.262.2 | Where is this viper | Where is this Viper, |
| Henry V | H5 II.i.43 | ‘ Solus,’ egregious dog? O viper vile! | Solus, egregious dog? O Viper vile; |
| King Edward III | E3 I.i.105 | Regenerate traitor, viper to the place | Regenerate Traytor, viper to the place, |
| Othello | Oth V.ii.282 | Where is that viper? Bring the villain forth. | Where is that Viper? / Bring the Villaine forth. |
| Pericles | Per I.i.65 | I am no viper, yet I feed | I am no Viper, yet I feed |