| Play | Key Line | Modern Text | Original Text |
| Coriolanus | Cor III.i.93 | Given Hydra here to choose an officer | Giuen Hidra heere to choose an Officer, |
| Henry IV Part 1 | 1H4 V.iv.24 | Another king! They grow like Hydra's heads. | Another King? They grow like Hydra's heads: |
| Henry IV Part 2 | 2H4 IV.ii.38 | Whereon this Hydra son of war is born, | Whereon this Hydra-Sonne of Warre is borne, |
| Henry V | H5 I.i.35 | Nor never Hydra-headed wilfulness | Nor neuer Hidra-headed Wilfulnesse |
| Othello | Oth II.iii.295 | I am a drunkard. Had I as many mouths as Hydra, such | I am a drunkard: had I as many mouthes as Hydra, such |