| Play | Key Line | Modern Text | Original Text |
| All's Well That Ends Well | AW II.i.115 | But may not be so credulous of cure, | But may not be so credulous of cure, |
| Cymbeline | Cym V.v.210 | Italian fiend! Ay me, most credulous fool, | Italian Fiend. Aye me, most credulous Foole, |
| King Lear | KL I.ii.175 | A credulous father and a brother noble, | A Credulous Father, and a Brother Noble, |
| Measure for Measure | MM II.iv.130.1 | And credulous to false prints. | And credulous to false prints. |
| Othello | Oth IV.i.45 | My medicine, work! Thus credulous fools are caught, | My Medicine workes. Thus credulous Fooles are caught, |
| The Taming of the Shrew | TS IV.ii.67 | If he be credulous and trust my tale, | If he be credulous, and trust my tale, |
| The Tempest | Tem II.ii.143 | Man i'th' Moon? A most poor credulous monster! – | Man ith' Moone? A most poore creadulous Monster: |
| Titus Andronicus | Tit V.ii.74 | And being credulous in this mad thought, | And being Credulous in this mad thought, |