| Play | Key Line | Modern Text | Original Text |
| The Comedy of Errors | CE I.i.83 | Whilst I had been like heedful of the other. | Whil'st I had beene like heedfull of the other. |
| The Comedy of Errors | CE II.ii.2 | Safe at the Centaur, and the heedful slave | Safe at the Centaur, and the heedfull slaue |
| Hamlet | Ham III.ii.94 | As Vulcan's stithy. Give him heedful note. | As Vulcans Stythe. Giue him needfull note, |
| Henry VI Part 3 | 3H6 III.iii.63 | Where fame, late entering at his heedful ears, | Where Fame, late entring at his heedfull Eares, |
| King John | KJ IV.i.5 | Fast to the chair. Be heedful. Hence, and watch! | Fast to the chaire: be heedfull: hence, and watch. |