| Play | Key Line | Modern Text | Original Text |
| Antony and Cleopatra | AC IV.x.9 | And look on their endeavour. | And looke on their endeuour. |
| Hamlet | Ham II.ii.337 | Nay, their endeavour keeps in the wonted | Nay, their indeauour keepes in the wonted |
| Henry IV Part 2 | 2H4 IV.iii.118 | with excellent endeavour of drinking good and good | with excellent endeauour of drinking good, and good |
| Henry V | H5 I.ii.185 | Setting endeavour in continual motion; | Setting endeuour in continual motion: |
| Henry V | H5 V.ii.211 | promise. Do but now promise, Kate, you will endeavour | promise: doe but now promise Kate, you will endeauour |
| Henry VI Part 2 | 2H6 III.i.163 | And with your best endeavour have stirred up | And with your best endeuour haue stirr'd vp |
| King Edward III | E3 II.i.298 | And that my old endeavour will remove it, | And that my old endeuor will remoue it, |
| King Edward III | E3 II.ii.195 | The vain endeavour of so many pens; | The vaine indeuor of so many pens: |
| King Edward III | E3 IV.v.58 | With all endeavour sought to break our ranks | With all indeuor sought to breake our rankes, |
| King John | KJ II.i.81 | We must awake endeavour for defence; | We must awake indeuor for defence, |
| King Lear | KL II.i.34 | Of my more fierce endeavour. I have seen drunkards | Of my more fierce endeauour. I haue seene drunkards |
| Love's Labour's Lost | LLL I.i.5 | The endeavour of this present breath may buy | Th'endeuour of this present breath may buy: |
| Love's Labour's Lost | LLL V.ii.842 | With all the fierce endeavour of your wit | With all the fierce endeuour of your wit, |
| The Merchant of Venice | MV III.iv.48 | And use thou all th' endeavour of a man | And vse thou all the indeauor of a man, |
| Much Ado About Nothing | MA II.ii.28 | Only to despite them, I will endeavour | Onely to despight them, I will endeauour |
| Pericles | Per II.iv.56 | We with our travels will endeavour it. | We with our trauels will endeauour. |
| The Tempest | Tem II.i.163 | Without sweat or endeavour. Treason, felony, | Without sweat or endeuour: Treason, fellony, |
| Troilus and Cressida | TC IV.v.259 | But I'll endeavour deeds to match these words, | But Ile endeuour deeds to match these words, |
| Troilus and Cressida | TC V.x.39 | endeavour be so desired, and the performance so | indeuour be so desir'd, and the performance so |
| Twelfth Night | TN IV.ii.96 | heavens restore! Endeavour thyself to sleep and leave | heauens restore: endeauour thy selfe to sleepe, and leaue |